<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019fd260-0a38-7512-bcd9-40efe7ce06e2,g:2acbc4ed-7188-4375-b3d3-f1396e76d2ce-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.textron.com/role/ConsolidatedStatementsofOperationsUnaudited" xlink:type="simple" xlink:href="txt-20261003.xsd#ConsolidatedStatementsofOperationsUnaudited"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/ConsolidatedStatementsofOperationsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fd260-0c24-78fb-88ce-19dd4e5b5efd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fd260-0c24-7c92-97ae-428bfae8f5bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-78fb-88ce-19dd4e5b5efd" xlink:to="loc_us-gaap_StatementTable_019fd260-0c24-7c92-97ae-428bfae8f5bf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019fd260-0c24-7a42-97ad-0d760d5a01fc" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fd260-0c24-7c92-97ae-428bfae8f5bf" xlink:to="loc_srt_ProductOrServiceAxis_019fd260-0c24-7a42-97ad-0d760d5a01fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fd260-0c24-7a42-97ad-0d760d5a01fc_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019fd260-0c24-7a42-97ad-0d760d5a01fc" xlink:to="loc_srt_ProductsAndServicesDomain_019fd260-0c24-7a42-97ad-0d760d5a01fc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fd260-0c24-72ba-8a7c-46728596a4fd" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019fd260-0c24-7a42-97ad-0d760d5a01fc" xlink:to="loc_srt_ProductsAndServicesDomain_019fd260-0c24-72ba-8a7c-46728596a4fd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_019fd260-0c24-78b0-9364-b377fa2a4a36" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fd260-0c24-72ba-8a7c-46728596a4fd" xlink:to="loc_us-gaap_ProductMember_019fd260-0c24-78b0-9364-b377fa2a4a36" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceMember_019fd260-0c24-7741-93ba-f509116b0175" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fd260-0c24-72ba-8a7c-46728596a4fd" xlink:to="loc_us-gaap_ServiceMember_019fd260-0c24-7741-93ba-f509116b0175" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fd260-0c24-7a4f-9e97-cb1311682670" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fd260-0c24-7c92-97ae-428bfae8f5bf" xlink:to="loc_dei_LegalEntityAxis_019fd260-0c24-7a4f-9e97-cb1311682670" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-7a4f-9e97-cb1311682670_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-7a4f-9e97-cb1311682670" xlink:to="loc_dei_EntityDomain_019fd260-0c24-7a4f-9e97-cb1311682670_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-7d4b-84f4-8778f49c4a7a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-7a4f-9e97-cb1311682670" xlink:to="loc_dei_EntityDomain_019fd260-0c24-7d4b-84f4-8778f49c4a7a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ManufacturingGroupMember_019fd260-0c24-71f7-b551-04a6d4507daa" xlink:href="txt-20261003.xsd#txt_ManufacturingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0c24-7d4b-84f4-8778f49c4a7a" xlink:to="loc_txt_ManufacturingGroupMember_019fd260-0c24-71f7-b551-04a6d4507daa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceGroupMember_019fd260-0c24-74e7-a6f7-dfed1791abf1" xlink:href="txt-20261003.xsd#txt_FinanceGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0c24-7d4b-84f4-8778f49c4a7a" xlink:to="loc_txt_FinanceGroupMember_019fd260-0c24-74e7-a6f7-dfed1791abf1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_019fd260-0c24-765a-9433-07fce4e77707" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-78fb-88ce-19dd4e5b5efd" xlink:to="loc_us-gaap_RevenuesAbstract_019fd260-0c24-765a-9433-07fce4e77707" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019fd260-0c24-78f6-b288-f770235735f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_019fd260-0c24-765a-9433-07fce4e77707" xlink:to="loc_us-gaap_Revenues_019fd260-0c24-78f6-b288-f770235735f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0c24-74ae-8175-aa9565ed0b43" xlink:href="txt-20261003.xsd#txt_CostsAndExpensesAndOtherAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-78fb-88ce-19dd4e5b5efd" xlink:to="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0c24-74ae-8175-aa9565ed0b43" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019fd260-0c24-7093-b163-7572402329fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0c24-74ae-8175-aa9565ed0b43" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019fd260-0c24-7093-b163-7572402329fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019fd260-0c24-77e3-9ffd-d3806197d934" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0c24-74ae-8175-aa9565ed0b43" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019fd260-0c24-77e3-9ffd-d3806197d934" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fd260-0c24-767c-a222-9750d527b509" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0c24-74ae-8175-aa9565ed0b43" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fd260-0c24-767c-a222-9750d527b509" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_019fd260-0c24-7ac9-9344-cd31b5887f1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0c24-74ae-8175-aa9565ed0b43" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_019fd260-0c24-7ac9-9344-cd31b5887f1a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_SpecialCharges_019fd260-0c24-783c-a9b3-80378223b639" xlink:href="txt-20261003.xsd#txt_SpecialCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0c24-74ae-8175-aa9565ed0b43" xlink:to="loc_txt_SpecialCharges_019fd260-0c24-783c-a9b3-80378223b639" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent_019fd260-0c24-7f14-ad20-542eac74efb7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0c24-74ae-8175-aa9565ed0b43" xlink:to="loc_us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent_019fd260-0c24-7f14-ad20-542eac74efb7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_019fd260-0c24-78a8-a97f-f997ffc50b80" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0c24-74ae-8175-aa9565ed0b43" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_019fd260-0c24-78a8-a97f-f997ffc50b80" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fd260-0c24-76a5-a76b-95674cead821" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-78fb-88ce-19dd4e5b5efd" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fd260-0c24-76a5-a76b-95674cead821" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019fd260-0c24-798e-a277-a16d7fb8448a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-78fb-88ce-19dd4e5b5efd" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019fd260-0c24-798e-a277-a16d7fb8448a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_01a0a20b-4554-7154-81bc-c2329086e617" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-78fb-88ce-19dd4e5b5efd" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_01a0a20b-4554-7154-81bc-c2329086e617" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_01a0a20b-4554-7ba7-9257-1b0b61c2bce9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-78fb-88ce-19dd4e5b5efd" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_01a0a20b-4554-7ba7-9257-1b0b61c2bce9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fd260-0c24-7eec-bdc5-722bd69a450c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-78fb-88ce-19dd4e5b5efd" xlink:to="loc_us-gaap_NetIncomeLoss_019fd260-0c24-7eec-bdc5-722bd69a450c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_019fd260-0c24-7c5b-8c70-360b601fcd23" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-78fb-88ce-19dd4e5b5efd" xlink:to="loc_us-gaap_EarningsPerShareAbstract_019fd260-0c24-7c5b-8c70-360b601fcd23" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019fd260-0c24-7a88-be10-60f99bba7771" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_019fd260-0c24-7c5b-8c70-360b601fcd23" xlink:to="loc_us-gaap_EarningsPerShareBasic_019fd260-0c24-7a88-be10-60f99bba7771" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019fd260-0c24-7456-b941-066c30e24a70" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_019fd260-0c24-7c5b-8c70-360b601fcd23" xlink:to="loc_us-gaap_EarningsPerShareDiluted_019fd260-0c24-7456-b941-066c30e24a70" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="txt-20261003.xsd#ConsolidatedBalanceSheetsUnaudited"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fd260-0c24-7c77-b804-bcb3fa7e1670" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fd260-0c24-7255-b6c9-6863cf31504b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-7c77-b804-bcb3fa7e1670" xlink:to="loc_us-gaap_StatementTable_019fd260-0c24-7255-b6c9-6863cf31504b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fd260-0c24-757f-9aee-ab248b30b5cc" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fd260-0c24-7255-b6c9-6863cf31504b" xlink:to="loc_dei_LegalEntityAxis_019fd260-0c24-757f-9aee-ab248b30b5cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-757f-9aee-ab248b30b5cc_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-757f-9aee-ab248b30b5cc" xlink:to="loc_dei_EntityDomain_019fd260-0c24-757f-9aee-ab248b30b5cc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-7d11-8434-a96393f3372b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-757f-9aee-ab248b30b5cc" xlink:to="loc_dei_EntityDomain_019fd260-0c24-7d11-8434-a96393f3372b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ManufacturingGroupMember_019fd260-0c24-7993-b77f-854f5af4f9c1" xlink:href="txt-20261003.xsd#txt_ManufacturingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0c24-7d11-8434-a96393f3372b" xlink:to="loc_txt_ManufacturingGroupMember_019fd260-0c24-7993-b77f-854f5af4f9c1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceGroupMember_019fd260-0c24-73e9-9659-d152c058f6b2" xlink:href="txt-20261003.xsd#txt_FinanceGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0c24-7d11-8434-a96393f3372b" xlink:to="loc_txt_FinanceGroupMember_019fd260-0c24-73e9-9659-d152c058f6b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-7c77-b804-bcb3fa7e1670" xlink:to="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd260-0c24-7802-8434-b90f48094cb3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd260-0c24-7802-8434-b90f48094cb3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019fd260-0c24-7ca6-bcdc-552873171a64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019fd260-0c24-7ca6-bcdc-552873171a64" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019fd260-0c24-75ed-ba66-dc54fae89010" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:to="loc_us-gaap_InventoryNet_019fd260-0c24-75ed-ba66-dc54fae89010" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019fd260-0c24-73b1-b12c-f3c5703680d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:to="loc_us-gaap_OtherAssetsCurrent_019fd260-0c24-73b1-b12c-f3c5703680d4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019fd260-0c24-7716-8e4a-61365c59f30c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:to="loc_us-gaap_AssetsCurrent_019fd260-0c24-7716-8e4a-61365c59f30c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019fd260-0c24-79bd-9d27-39f13538705c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019fd260-0c24-79bd-9d27-39f13538705c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019fd260-0c24-75af-bfda-15c51b6c1958" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:to="loc_us-gaap_Goodwill_019fd260-0c24-75af-bfda-15c51b6c1958" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019fd260-0c24-795a-9d7e-9ed8896a22a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019fd260-0c24-795a-9d7e-9ed8896a22a0" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd260-0c24-7742-af6b-92db677d2272" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableNet_019fd260-0c24-7024-b040-af0340e49306" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesReceivableNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:to="loc_us-gaap_NotesReceivableNet_019fd260-0c24-7024-b040-af0340e49306" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_019fd260-0c24-7725-9945-78dc130a64a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:to="loc_us-gaap_OtherAssets_019fd260-0c24-7725-9945-78dc130a64a0" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019fd260-0c24-71da-ae55-cc1f5663dee8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fd260-0c24-755e-ab7e-f47210b4ec6c" xlink:to="loc_us-gaap_Assets_019fd260-0c24-71da-ae55-cc1f5663dee8" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fd260-0c24-7edd-9b08-18ea3eaadaef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-7c77-b804-bcb3fa7e1670" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fd260-0c24-7edd-9b08-18ea3eaadaef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract_019fd260-0c24-75f9-8848-baf0e62c0cac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fd260-0c24-7edd-9b08-18ea3eaadaef" xlink:to="loc_us-gaap_LiabilitiesAbstract_019fd260-0c24-75f9-8848-baf0e62c0cac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_019fd260-0c24-7d9e-9905-88fdf6d3cd1b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fd260-0c24-75f9-8848-baf0e62c0cac" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_019fd260-0c24-7d9e-9905-88fdf6d3cd1b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019fd260-0c24-71b8-a62d-d5a2b0cb06e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fd260-0c24-75f9-8848-baf0e62c0cac" xlink:to="loc_us-gaap_AccountsPayableCurrent_019fd260-0c24-71b8-a62d-d5a2b0cb06e7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_019fd260-0c24-7c7a-87aa-e0e709b82363" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fd260-0c24-75f9-8848-baf0e62c0cac" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_019fd260-0c24-7c7a-87aa-e0e709b82363" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019fd260-0c24-78f1-a142-2ed17f931af3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fd260-0c24-75f9-8848-baf0e62c0cac" xlink:to="loc_us-gaap_LiabilitiesCurrent_019fd260-0c24-78f1-a142-2ed17f931af3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019fd260-0c24-7dd7-9ea2-8f4728bb630e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fd260-0c24-75f9-8848-baf0e62c0cac" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019fd260-0c24-7dd7-9ea2-8f4728bb630e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019fd260-0c24-7664-a665-19c7369babcb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fd260-0c24-75f9-8848-baf0e62c0cac" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019fd260-0c24-7664-a665-19c7369babcb" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_019fd260-0c24-7cd0-9851-265fbdf44732" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fd260-0c24-75f9-8848-baf0e62c0cac" xlink:to="loc_us-gaap_OtherLiabilities_019fd260-0c24-7cd0-9851-265fbdf44732" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019fd260-0c24-76b4-9add-ae0157d529a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fd260-0c24-75f9-8848-baf0e62c0cac" xlink:to="loc_us-gaap_LongTermDebt_019fd260-0c24-76b4-9add-ae0157d529a0" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019fd260-0c24-7585-8f94-1c31013db4b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fd260-0c24-75f9-8848-baf0e62c0cac" xlink:to="loc_us-gaap_Liabilities_019fd260-0c24-7585-8f94-1c31013db4b0" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_019fd260-0c24-7351-be5c-f77a519a049d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fd260-0c24-7edd-9b08-18ea3eaadaef" xlink:to="loc_us-gaap_StockholdersEquityAbstract_019fd260-0c24-7351-be5c-f77a519a049d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019fd260-0c24-7a80-820d-b7ed65563d5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_019fd260-0c24-7351-be5c-f77a519a049d" xlink:to="loc_us-gaap_CommonStockValue_019fd260-0c24-7a80-820d-b7ed65563d5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019fd260-0c24-7fa6-a3eb-8c90564045e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_019fd260-0c24-7351-be5c-f77a519a049d" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019fd260-0c24-7fa6-a3eb-8c90564045e4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_019fd260-0c24-7b47-9011-04cbc9a177ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_019fd260-0c24-7351-be5c-f77a519a049d" xlink:to="loc_us-gaap_TreasuryStockValue_019fd260-0c24-7b47-9011-04cbc9a177ea" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fd260-0c24-762e-a5c1-1d280582319c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_019fd260-0c24-7351-be5c-f77a519a049d" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fd260-0c24-762e-a5c1-1d280582319c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fd260-0c24-7a9d-94e3-d8393b885f3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_019fd260-0c24-7351-be5c-f77a519a049d" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fd260-0c24-7a9d-94e3-d8393b885f3e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fd260-0c24-7bf6-9a3a-375042bd4ebd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_019fd260-0c24-7351-be5c-f77a519a049d" xlink:to="loc_us-gaap_StockholdersEquity_019fd260-0c24-7bf6-9a3a-375042bd4ebd" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fd260-0c24-7e6c-9b9c-abf06c8c45b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fd260-0c24-7edd-9b08-18ea3eaadaef" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fd260-0c24-7e6c-9b9c-abf06c8c45b1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019fd260-0c24-7c67-96bc-20c10798f74c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-7c77-b804-bcb3fa7e1670" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019fd260-0c24-7c67-96bc-20c10798f74c" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/ConsolidatedStatementsofCashFlowsUnauditedManufacturingGroupandFinanceGroup" xlink:type="simple" xlink:href="txt-20261003.xsd#ConsolidatedStatementsofCashFlowsUnauditedManufacturingGroupandFinanceGroup"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/ConsolidatedStatementsofCashFlowsUnauditedManufacturingGroupandFinanceGroup" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fd260-0c24-7475-a2d1-0492563c1bee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fd260-0c24-7bbb-ad33-91916166324f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-7475-a2d1-0492563c1bee" xlink:to="loc_us-gaap_StatementTable_019fd260-0c24-7bbb-ad33-91916166324f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fd260-0c24-7c83-ba96-a1d7c23e607d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fd260-0c24-7bbb-ad33-91916166324f" xlink:to="loc_dei_LegalEntityAxis_019fd260-0c24-7c83-ba96-a1d7c23e607d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-7c83-ba96-a1d7c23e607d_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-7c83-ba96-a1d7c23e607d" xlink:to="loc_dei_EntityDomain_019fd260-0c24-7c83-ba96-a1d7c23e607d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-7ce3-855a-45f11de10e80" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-7c83-ba96-a1d7c23e607d" xlink:to="loc_dei_EntityDomain_019fd260-0c24-7ce3-855a-45f11de10e80" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ManufacturingGroupMember_019fd260-0c24-7292-bfee-202f38b1e09c" xlink:href="txt-20261003.xsd#txt_ManufacturingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0c24-7ce3-855a-45f11de10e80" xlink:to="loc_txt_ManufacturingGroupMember_019fd260-0c24-7292-bfee-202f38b1e09c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceGroupMember_019fd260-0c24-7035-b29a-b95f7cd11d74" xlink:href="txt-20261003.xsd#txt_FinanceGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0c24-7ce3-855a-45f11de10e80" xlink:to="loc_txt_FinanceGroupMember_019fd260-0c24-7035-b29a-b95f7cd11d74" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7ae3-8345-f6912a4dfead" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-7475-a2d1-0492563c1bee" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7ae3-8345-f6912a4dfead" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a111b6-825d-7e78-92f9-bc485fcf4b54" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7ae3-8345-f6912a4dfead" xlink:to="loc_us-gaap_NetIncomeLoss_01a111b6-825d-7e78-92f9-bc485fcf4b54" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_01a111b6-f5af-7976-af09-5337e7e5ec65" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7ae3-8345-f6912a4dfead" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_01a111b6-f5af-7976-af09-5337e7e5ec65" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_019fd260-0c24-79bf-b877-932a0faadbcf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7ae3-8345-f6912a4dfead" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_019fd260-0c24-79bf-b877-932a0faadbcf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7f36-a629-e5f30a80018d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7ae3-8345-f6912a4dfead" xlink:to="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7f36-a629-e5f30a80018d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_NonCashItemsAbstract_019fd260-0c24-70d9-bc78-6813fa5a3738" xlink:href="txt-20261003.xsd#txt_NonCashItemsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7f36-a629-e5f30a80018d" xlink:to="loc_txt_NonCashItemsAbstract_019fd260-0c24-70d9-bc78-6813fa5a3738" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019fd260-0c24-7aa6-8cda-64fead6e53a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_NonCashItemsAbstract_019fd260-0c24-70d9-bc78-6813fa5a3738" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019fd260-0c24-7aa6-8cda-64fead6e53a1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_019fd260-0c24-7e76-b52a-aa991376e0f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_NonCashItemsAbstract_019fd260-0c24-70d9-bc78-6813fa5a3738" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_019fd260-0c24-7e76-b52a-aa991376e0f3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfBusiness_019fd260-0c24-7a7c-80a9-521341d575a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_NonCashItemsAbstract_019fd260-0c24-70d9-bc78-6813fa5a3738" xlink:to="loc_us-gaap_GainLossOnSaleOfBusiness_019fd260-0c24-7a7c-80a9-521341d575a6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_019fd260-0c24-7a9d-b67a-2d6c4223a74f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_NonCashItemsAbstract_019fd260-0c24-70d9-bc78-6813fa5a3738" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_019fd260-0c24-7a9d-b67a-2d6c4223a74f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fd260-0c24-70db-bfdb-f49f03558bb3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7f36-a629-e5f30a80018d" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fd260-0c24-70db-bfdb-f49f03558bb3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_019fd260-0c24-7727-8b45-5845b5341d7f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fd260-0c24-70db-bfdb-f49f03558bb3" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_019fd260-0c24-7727-8b45-5845b5341d7f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_019fd260-0c24-7afb-a331-148de4210b24" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fd260-0c24-70db-bfdb-f49f03558bb3" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_019fd260-0c24-7afb-a331-148de4210b24" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019fd260-0c24-76fb-9fc6-3591e203b0a7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fd260-0c24-70db-bfdb-f49f03558bb3" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019fd260-0c24-76fb-9fc6-3591e203b0a7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_019fd260-0c24-796d-b61b-c12fe81ae078" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fd260-0c24-70db-bfdb-f49f03558bb3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_019fd260-0c24-796d-b61b-c12fe81ae078" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_019fd260-0c24-7b50-b715-c40fe67e33be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fd260-0c24-70db-bfdb-f49f03558bb3" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_019fd260-0c24-7b50-b715-c40fe67e33be" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_019fd260-0c24-7e09-a56a-9360f474fbd4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInIncomeTaxes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fd260-0c24-70db-bfdb-f49f03558bb3" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_019fd260-0c24-7e09-a56a-9360f474fbd4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_NetIncreaseDecreaseInPension_019fd260-0c24-70f2-b061-cb2e48d30055" xlink:href="txt-20261003.xsd#txt_NetIncreaseDecreaseInPension"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fd260-0c24-70db-bfdb-f49f03558bb3" xlink:to="loc_txt_NetIncreaseDecreaseInPension_019fd260-0c24-70f2-b061-cb2e48d30055" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019fd260-0c24-7930-9753-fbbf78a7f93d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fd260-0c24-70db-bfdb-f49f03558bb3" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019fd260-0c24-7930-9753-fbbf78a7f93d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019fd260-0c24-7a8e-9581-97931105fe27" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7ae3-8345-f6912a4dfead" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019fd260-0c24-7a8e-9581-97931105fe27" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_019fd260-0c24-70c5-9fa2-e9e5b98e123d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7ae3-8345-f6912a4dfead" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_019fd260-0c24-70c5-9fa2-e9e5b98e123d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd260-0c24-7fd6-a099-e169865c1043" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fd260-0c24-7ae3-8345-f6912a4dfead" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd260-0c24-7fd6-a099-e169865c1043" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fd260-0c24-7ef4-98ae-678418d04d5c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-7475-a2d1-0492563c1bee" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fd260-0c24-7ef4-98ae-678418d04d5c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_019fd260-0c24-738a-bdd4-8d15856b572e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fd260-0c24-7ef4-98ae-678418d04d5c" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_019fd260-0c24-738a-bdd4-8d15856b572e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLifeInsurancePolicies_019fd260-0c24-72f9-ad18-569731436dbb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromLifeInsurancePolicies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fd260-0c24-7ef4-98ae-678418d04d5c" xlink:to="loc_us-gaap_ProceedsFromLifeInsurancePolicies_019fd260-0c24-72f9-ad18-569731436dbb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_019fd260-0c24-74eb-8aa5-417027f7a687" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fd260-0c24-7ef4-98ae-678418d04d5c" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_019fd260-0c24-74eb-8aa5-417027f7a687" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019fd260-0c24-72cf-8137-d937c1b10420" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fd260-0c24-7ef4-98ae-678418d04d5c" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019fd260-0c24-72cf-8137-d937c1b10420" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceReceivablesRepaid_019fd260-0c24-767b-ad7e-240921f93c36" xlink:href="txt-20261003.xsd#txt_FinanceReceivablesRepaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fd260-0c24-7ef4-98ae-678418d04d5c" xlink:to="loc_txt_FinanceReceivablesRepaid_019fd260-0c24-767b-ad7e-240921f93c36" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceReceivablesOriginated_019fd260-0c24-7cfe-865c-3d43bfef13b2" xlink:href="txt-20261003.xsd#txt_FinanceReceivablesOriginated"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fd260-0c24-7ef4-98ae-678418d04d5c" xlink:to="loc_txt_FinanceReceivablesOriginated_019fd260-0c24-7cfe-865c-3d43bfef13b2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ProceedsFromTheDispositionOfNonCaptiveAssets_019fd260-0c24-782a-973b-4d048b43e9e3" xlink:href="txt-20261003.xsd#txt_ProceedsFromTheDispositionOfNonCaptiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fd260-0c24-7ef4-98ae-678418d04d5c" xlink:to="loc_txt_ProceedsFromTheDispositionOfNonCaptiveAssets_019fd260-0c24-782a-973b-4d048b43e9e3" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019fd260-0c24-7cdd-9631-4ed913d4c229" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fd260-0c24-7ef4-98ae-678418d04d5c" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019fd260-0c24-7cdd-9631-4ed913d4c229" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd260-0c24-7c9e-ae50-6dbcac1af4fe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fd260-0c24-7ef4-98ae-678418d04d5c" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd260-0c24-7c9e-ae50-6dbcac1af4fe" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fd260-0c24-7cfb-a1b1-565a1e74aa76" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-7475-a2d1-0492563c1bee" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fd260-0c24-7cfb-a1b1-565a1e74aa76" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019fd260-0c24-7fab-80ee-4f611aac994c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fd260-0c24-7cfb-a1b1-565a1e74aa76" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019fd260-0c24-7fab-80ee-4f611aac994c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_019fd260-0c24-7a66-a104-187b4a951f37" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fd260-0c24-7cfb-a1b1-565a1e74aa76" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_019fd260-0c24-7a66-a104-187b4a951f37" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019fd260-0c24-7159-a5e9-a2157a20267c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fd260-0c24-7cfb-a1b1-565a1e74aa76" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019fd260-0c24-7159-a5e9-a2157a20267c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_019fd260-0c24-7e1c-8852-a4b818bb97d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fd260-0c24-7cfb-a1b1-565a1e74aa76" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_019fd260-0c24-7e1c-8852-a4b818bb97d6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_019fd260-0c24-7fe8-9400-bc05027e50e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fd260-0c24-7cfb-a1b1-565a1e74aa76" xlink:to="loc_us-gaap_PaymentsOfDividends_019fd260-0c24-7fe8-9400-bc05027e50e6" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019fd260-0c24-7a6d-a998-8c009e5c8892" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fd260-0c24-7cfb-a1b1-565a1e74aa76" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019fd260-0c24-7a6d-a998-8c009e5c8892" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd260-0c24-7385-87ad-682611453aff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fd260-0c24-7cfb-a1b1-565a1e74aa76" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd260-0c24-7385-87ad-682611453aff" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019fd260-0c24-7f7f-a9b5-65fcade0914a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-7475-a2d1-0492563c1bee" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019fd260-0c24-7f7f-a9b5-65fcade0914a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fd260-0c24-73ac-b3d0-230922a40e1b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-7475-a2d1-0492563c1bee" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fd260-0c24-73ac-b3d0-230922a40e1b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019fd260-0c24-7f27-9935-4c0ecd53d542" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fd260-0c24-7475-a2d1-0492563c1bee" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019fd260-0c24-7f27-9935-4c0ecd53d542" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019fd260-0c24-75ae-ab46-dea4a5a49685" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/BasisofPresentationDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#BasisofPresentationDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/BasisofPresentationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateLineItems_019fd260-0c24-7f69-874a-5ab8c5ea1a5f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ChangeInAccountingEstimateLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTable_019fd260-0c24-7d1d-a5aa-90ef39a7f04e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfChangeInAccountingEstimateTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_019fd260-0c24-7f69-874a-5ab8c5ea1a5f" xlink:to="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTable_019fd260-0c24-7d1d-a5aa-90ef39a7f04e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_019fd260-0c24-75f3-922f-d421dfb433a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ChangeInAccountingEstimateByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTable_019fd260-0c24-7d1d-a5aa-90ef39a7f04e" xlink:to="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_019fd260-0c24-75f3-922f-d421dfb433a8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_019fd260-0c24-75f3-922f-d421dfb433a8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_019fd260-0c24-75f3-922f-d421dfb433a8" xlink:to="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_019fd260-0c24-75f3-922f-d421dfb433a8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_019fd260-0c24-7dd7-8748-df86770a5eb8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_019fd260-0c24-75f3-922f-d421dfb433a8" xlink:to="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_019fd260-0c24-7dd7-8748-df86770a5eb8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_CumulativeCatchUpMethodMember_019fd260-0c24-7a35-a6b1-ff61de40dd81" xlink:href="txt-20261003.xsd#txt_CumulativeCatchUpMethodMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_019fd260-0c24-7dd7-8748-df86770a5eb8" xlink:to="loc_txt_CumulativeCatchUpMethodMember_019fd260-0c24-7a35-a6b1-ff61de40dd81" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_NumberOfBorrowingGroups_019fd260-0c24-7edc-acb5-9b520c0b1be0" xlink:href="txt-20261003.xsd#txt_NumberOfBorrowingGroups"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_019fd260-0c24-7f69-874a-5ab8c5ea1a5f" xlink:to="loc_txt_NumberOfBorrowingGroups_019fd260-0c24-7edc-acb5-9b520c0b1be0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_CumulativeCatchUpAdjustments_019fd260-0c24-7ce3-aad6-799f60758442" xlink:href="txt-20261003.xsd#txt_CumulativeCatchUpAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_019fd260-0c24-7f69-874a-5ab8c5ea1a5f" xlink:to="loc_txt_CumulativeCatchUpAdjustments_019fd260-0c24-7ce3-aad6-799f60758442" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ChangeInAccountingEstimateFinancialEffectIncreaseInNetIncome_019fd260-0c24-73b7-b228-789ad56a57e2" xlink:href="txt-20261003.xsd#txt_ChangeInAccountingEstimateFinancialEffectIncreaseInNetIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_019fd260-0c24-7f69-874a-5ab8c5ea1a5f" xlink:to="loc_txt_ChangeInAccountingEstimateFinancialEffectIncreaseInNetIncome_019fd260-0c24-73b7-b228-789ad56a57e2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ChangeInAccountingEstimateFinancialEffectIncreaseInEarningsPerShareDiluted_019fd260-0c24-7005-af7e-b4201bf254a3" xlink:href="txt-20261003.xsd#txt_ChangeInAccountingEstimateFinancialEffectIncreaseInEarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_019fd260-0c24-7f69-874a-5ab8c5ea1a5f" xlink:to="loc_txt_ChangeInAccountingEstimateFinancialEffectIncreaseInEarningsPerShareDiluted_019fd260-0c24-7005-af7e-b4201bf254a3" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/AccountsReceivableandFinanceReceivablesAccountsReceivableDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#AccountsReceivableandFinanceReceivablesAccountsReceivableDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/AccountsReceivableandFinanceReceivablesAccountsReceivableDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019fd260-0c24-7e4d-a431-b7eec991b19d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019fd260-0c24-7f72-bc63-7b5043ea8af9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019fd260-0c24-7e4d-a431-b7eec991b19d" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019fd260-0c24-7f72-bc63-7b5043ea8af9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fd260-0c24-7be2-840b-a5905355167f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019fd260-0c24-7f72-bc63-7b5043ea8af9" xlink:to="loc_dei_LegalEntityAxis_019fd260-0c24-7be2-840b-a5905355167f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-7be2-840b-a5905355167f_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-7be2-840b-a5905355167f" xlink:to="loc_dei_EntityDomain_019fd260-0c24-7be2-840b-a5905355167f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-706b-864b-f318a3b513a6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-7be2-840b-a5905355167f" xlink:to="loc_dei_EntityDomain_019fd260-0c24-706b-864b-f318a3b513a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ManufacturingGroupMember_019fd260-0c24-7059-b3f6-05d4af4e5bcd" xlink:href="txt-20261003.xsd#txt_ManufacturingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0c24-706b-864b-f318a3b513a6" xlink:to="loc_txt_ManufacturingGroupMember_019fd260-0c24-7059-b3f6-05d4af4e5bcd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_019fd260-0c24-7aaa-8f08-881cd52b026b" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019fd260-0c24-7f72-bc63-7b5043ea8af9" xlink:to="loc_srt_CounterpartyNameAxis_019fd260-0c24-7aaa-8f08-881cd52b026b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fd260-0c24-7aaa-8f08-881cd52b026b_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_019fd260-0c24-7aaa-8f08-881cd52b026b" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fd260-0c24-7aaa-8f08-881cd52b026b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fd260-0c24-7fa0-b7f0-e81ee5daad4f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_019fd260-0c24-7aaa-8f08-881cd52b026b" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fd260-0c24-7fa0-b7f0-e81ee5daad4f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_CommercialMember_019fd260-0c24-744b-92f2-00ee5b023575" xlink:href="txt-20261003.xsd#txt_CommercialMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fd260-0c24-7fa0-b7f0-e81ee5daad4f" xlink:to="loc_txt_CommercialMember_019fd260-0c24-744b-92f2-00ee5b023575" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_USGovernmentMember_019fd260-0c24-7d1b-9229-2ade969fd07e" xlink:href="txt-20261003.xsd#txt_USGovernmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fd260-0c24-7fa0-b7f0-e81ee5daad4f" xlink:to="loc_txt_USGovernmentMember_019fd260-0c24-7d1b-9229-2ade969fd07e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetAbstract_019fd260-0c24-788d-9da5-2a223b1b6d44" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019fd260-0c24-7e4d-a431-b7eec991b19d" xlink:to="loc_us-gaap_AccountsReceivableNetAbstract_019fd260-0c24-788d-9da5-2a223b1b6d44" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGross_019fd260-0c24-7278-8ced-7bb6f8cc2196" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsReceivableNetAbstract_019fd260-0c24-788d-9da5-2a223b1b6d44" xlink:to="loc_us-gaap_AccountsReceivableGross_019fd260-0c24-7278-8ced-7bb6f8cc2196" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_019fd260-0c24-7143-9840-ac204a7ff679" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsReceivableNetAbstract_019fd260-0c24-788d-9da5-2a223b1b6d44" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_019fd260-0c24-7143-9840-ac204a7ff679" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNet_019fd260-0c24-7ed3-bc4d-a2cb5e6d5818" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsReceivableNetAbstract_019fd260-0c24-788d-9da5-2a223b1b6d44" xlink:to="loc_us-gaap_AccountsReceivableNet_019fd260-0c24-7ed3-bc4d-a2cb5e6d5818" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/AccountsReceivableandFinanceReceivablesFinanceReceivablePortfolioQualityDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#AccountsReceivableandFinanceReceivablesFinanceReceivablePortfolioQualityDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/AccountsReceivableandFinanceReceivablesFinanceReceivablePortfolioQualityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fd260-0c24-700d-9c50-01210dad1761" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_019fd260-0c24-70a1-a9db-e3b602af881b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFinancingReceivablesPastDueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fd260-0c24-700d-9c50-01210dad1761" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_019fd260-0c24-70a1-a9db-e3b602af881b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentPerformanceStatusAxis_019fd260-0c24-75d6-991d-be09466aef2a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentPerformanceStatusAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_019fd260-0c24-70a1-a9db-e3b602af881b" xlink:to="loc_us-gaap_FinancialInstrumentPerformanceStatusAxis_019fd260-0c24-75d6-991d-be09466aef2a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentPerformanceStatusDomain_019fd260-0c24-75d6-991d-be09466aef2a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentPerformanceStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentPerformanceStatusAxis_019fd260-0c24-75d6-991d-be09466aef2a" xlink:to="loc_us-gaap_FinancialInstrumentPerformanceStatusDomain_019fd260-0c24-75d6-991d-be09466aef2a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentPerformanceStatusDomain_019fd260-0c24-765a-aca0-f1d182f5960c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentPerformanceStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentPerformanceStatusAxis_019fd260-0c24-75d6-991d-be09466aef2a" xlink:to="loc_us-gaap_FinancialInstrumentPerformanceStatusDomain_019fd260-0c24-765a-aca0-f1d182f5960c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonperformingFinancingReceivableMember_019fd260-0c24-7a27-80e9-1913e871097c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonperformingFinancingReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentPerformanceStatusDomain_019fd260-0c24-765a-aca0-f1d182f5960c" xlink:to="loc_us-gaap_NonperformingFinancingReceivableMember_019fd260-0c24-7a27-80e9-1913e871097c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformingFinancingReceivableMember_019fd260-0c24-7e4a-a3ae-c4303e6b18c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PerformingFinancingReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentPerformanceStatusDomain_019fd260-0c24-765a-aca0-f1d182f5960c" xlink:to="loc_us-gaap_PerformingFinancingReceivableMember_019fd260-0c24-7e4a-a3ae-c4303e6b18c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fd260-0c24-70fa-a907-81b6f73aebc2" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_019fd260-0c24-70a1-a9db-e3b602af881b" xlink:to="loc_srt_RangeAxis_019fd260-0c24-70fa-a907-81b6f73aebc2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fd260-0c24-70fa-a907-81b6f73aebc2_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fd260-0c24-70fa-a907-81b6f73aebc2" xlink:to="loc_srt_RangeMember_019fd260-0c24-70fa-a907-81b6f73aebc2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fd260-0c24-74b0-96fe-9495aae58bc2" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fd260-0c24-70fa-a907-81b6f73aebc2" xlink:to="loc_srt_RangeMember_019fd260-0c24-74b0-96fe-9495aae58bc2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019fd260-0c24-7d7d-a01d-e1894833d696" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fd260-0c24-74b0-96fe-9495aae58bc2" xlink:to="loc_srt_MinimumMember_019fd260-0c24-7d7d-a01d-e1894833d696" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentAxis_019fd260-0c24-7861-951a-5be5abfc5f6e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InternalCreditAssessmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_019fd260-0c24-70a1-a9db-e3b602af881b" xlink:to="loc_us-gaap_InternalCreditAssessmentAxis_019fd260-0c24-7861-951a-5be5abfc5f6e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentDomain_019fd260-0c24-7861-951a-5be5abfc5f6e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InternalCreditAssessmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InternalCreditAssessmentAxis_019fd260-0c24-7861-951a-5be5abfc5f6e" xlink:to="loc_us-gaap_InternalCreditAssessmentDomain_019fd260-0c24-7861-951a-5be5abfc5f6e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentDomain_019fd260-0c24-7d52-81d8-867e023d164d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InternalCreditAssessmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InternalCreditAssessmentAxis_019fd260-0c24-7861-951a-5be5abfc5f6e" xlink:to="loc_us-gaap_InternalCreditAssessmentDomain_019fd260-0c24-7d52-81d8-867e023d164d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformingFinancingReceivableMember_019fd260-0c24-7e44-bf7f-7b37e60c2706" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PerformingFinancingReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_019fd260-0c24-7d52-81d8-867e023d164d" xlink:to="loc_us-gaap_PerformingFinancingReceivableMember_019fd260-0c24-7e44-bf7f-7b37e60c2706" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SpecialMentionMember_019fd260-0c24-7e4f-ab98-50588c9597f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SpecialMentionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_019fd260-0c24-7d52-81d8-867e023d164d" xlink:to="loc_us-gaap_SpecialMentionMember_019fd260-0c24-7e4f-ab98-50588c9597f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DoubtfulMember_019fd260-0c24-7bb3-9727-a7c6c1926363" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DoubtfulMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_019fd260-0c24-7d52-81d8-867e023d164d" xlink:to="loc_us-gaap_DoubtfulMember_019fd260-0c24-7bb3-9727-a7c6c1926363" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fd260-0c24-7476-b6f3-bf078250f411" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_019fd260-0c24-70a1-a9db-e3b602af881b" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fd260-0c24-7476-b6f3-bf078250f411" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fd260-0c24-7476-b6f3-bf078250f411_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fd260-0c24-7476-b6f3-bf078250f411" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fd260-0c24-7476-b6f3-bf078250f411_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fd260-0c24-709d-a1c7-218a7ce84e77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_019fd260-0c24-7476-b6f3-bf078250f411" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fd260-0c24-709d-a1c7-218a7ce84e77" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinancialAssetsCurrentAndLessThan31DaysPastDueMember_019fd260-0c24-7570-8ef8-41b18662094b" xlink:href="txt-20261003.xsd#txt_FinancialAssetsCurrentAndLessThan31DaysPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fd260-0c24-709d-a1c7-218a7ce84e77" xlink:to="loc_txt_FinancialAssetsCurrentAndLessThan31DaysPastDueMember_019fd260-0c24-7570-8ef8-41b18662094b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinancialAssets31To60DaysPastDueMember_019fd260-0c24-7a64-8797-d97ae752734b" xlink:href="txt-20261003.xsd#txt_FinancialAssets31To60DaysPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fd260-0c24-709d-a1c7-218a7ce84e77" xlink:to="loc_txt_FinancialAssets31To60DaysPastDueMember_019fd260-0c24-7a64-8797-d97ae752734b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinancialAssets61To90DaysPastDueMember_019fd260-0c24-7f9d-afdf-b69f2f591e5f" xlink:href="txt-20261003.xsd#txt_FinancialAssets61To90DaysPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fd260-0c24-709d-a1c7-218a7ce84e77" xlink:to="loc_txt_FinancialAssets61To90DaysPastDueMember_019fd260-0c24-7f9d-afdf-b69f2f591e5f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_019fd260-0c24-7e9c-a39c-5e665ac9dc17" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_019fd260-0c24-709d-a1c7-218a7ce84e77" xlink:to="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_019fd260-0c24-7e9c-a39c-5e665ac9dc17" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_NumberOfMonthsOfContractualDelinquencyForAutomaticClassificationAsNonaccrualAccount_019fd260-0c24-7b5d-b94a-58c83d59f682" xlink:href="txt-20261003.xsd#txt_NumberOfMonthsOfContractualDelinquencyForAutomaticClassificationAsNonaccrualAccount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fd260-0c24-700d-9c50-01210dad1761" xlink:to="loc_txt_NumberOfMonthsOfContractualDelinquencyForAutomaticClassificationAsNonaccrualAccount_019fd260-0c24-7b5d-b94a-58c83d59f682" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableGross_019fd260-0c24-7f9b-a2be-a8d9f2356ebf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesReceivableGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fd260-0c24-700d-9c50-01210dad1761" xlink:to="loc_us-gaap_NotesReceivableGross_019fd260-0c24-7f9b-a2be-a8d9f2356ebf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableNonaccrualPercentPastDue1_019fd260-0c24-7158-9222-034b7867e400" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableNonaccrualPercentPastDue1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fd260-0c24-700d-9c50-01210dad1761" xlink:to="loc_us-gaap_FinancingReceivableNonaccrualPercentPastDue1_019fd260-0c24-7158-9222-034b7867e400" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_PercentageOfLoansSixtyPlusDaysPastDueToTotalLoans_019fd260-0c24-7d97-8af9-78847221a271" xlink:href="txt-20261003.xsd#txt_PercentageOfLoansSixtyPlusDaysPastDueToTotalLoans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fd260-0c24-700d-9c50-01210dad1761" xlink:to="loc_txt_PercentageOfLoansSixtyPlusDaysPastDueToTotalLoans_019fd260-0c24-7d97-8af9-78847221a271" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinancingReceivablePercentageOriginatedCurrentFiscalYearToTwoYearsBeforeCurrentFiscalYear_019fd260-0c24-7634-80cb-bfa57423e94f" xlink:href="txt-20261003.xsd#txt_FinancingReceivablePercentageOriginatedCurrentFiscalYearToTwoYearsBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fd260-0c24-700d-9c50-01210dad1761" xlink:to="loc_txt_FinancingReceivablePercentageOriginatedCurrentFiscalYearToTwoYearsBeforeCurrentFiscalYear_019fd260-0c24-7634-80cb-bfa57423e94f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinancingReceivablePercentageOriginatedThreeYearsToFiveYearsBeforeCurrentFiscalYear_019fd260-0c24-726d-b346-339c25982957" xlink:href="txt-20261003.xsd#txt_FinancingReceivablePercentageOriginatedThreeYearsToFiveYearsBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fd260-0c24-700d-9c50-01210dad1761" xlink:to="loc_txt_FinancingReceivablePercentageOriginatedThreeYearsToFiveYearsBeforeCurrentFiscalYear_019fd260-0c24-726d-b346-339c25982957" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinancingReceivablePercentageOriginatedFourYearsBeforeCurrentFiscalYear_019fd260-0c24-7795-a7ae-2ebda161a0a3" xlink:href="txt-20261003.xsd#txt_FinancingReceivablePercentageOriginatedFourYearsBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_019fd260-0c24-700d-9c50-01210dad1761" xlink:to="loc_txt_FinancingReceivablePercentageOriginatedFourYearsBeforeCurrentFiscalYear_019fd260-0c24-7795-a7ae-2ebda161a0a3" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/AccountsPayableandWarrantyLiabilityNarrativeDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#AccountsPayableandWarrantyLiabilityNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/AccountsPayableandWarrantyLiabilityNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplierFinanceProgramLineItems_019fd260-0c24-7fa9-8143-d5bdc64b227b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SupplierFinanceProgramLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplierFinanceProgramTable_019fd260-0c24-714b-a7f7-d41e39e293e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SupplierFinanceProgramTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SupplierFinanceProgramLineItems_019fd260-0c24-7fa9-8143-d5bdc64b227b" xlink:to="loc_us-gaap_SupplierFinanceProgramTable_019fd260-0c24-714b-a7f7-d41e39e293e5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fd260-0c24-7b15-9344-135321c0421d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SupplierFinanceProgramTable_019fd260-0c24-714b-a7f7-d41e39e293e5" xlink:to="loc_srt_RangeAxis_019fd260-0c24-7b15-9344-135321c0421d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fd260-0c24-7b15-9344-135321c0421d_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fd260-0c24-7b15-9344-135321c0421d" xlink:to="loc_srt_RangeMember_019fd260-0c24-7b15-9344-135321c0421d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fd260-0c24-7e37-b4ad-2252ba01b826" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fd260-0c24-7b15-9344-135321c0421d" xlink:to="loc_srt_RangeMember_019fd260-0c24-7e37-b4ad-2252ba01b826" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fd260-0c24-7982-a7de-208861762aad" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fd260-0c24-7e37-b4ad-2252ba01b826" xlink:to="loc_srt_MaximumMember_019fd260-0c24-7982-a7de-208861762aad" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_SupplierFinanceProgramCommitmentMaximum_019fd260-0c24-709e-9e98-0bb9c7d52551" xlink:href="txt-20261003.xsd#txt_SupplierFinanceProgramCommitmentMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplierFinanceProgramLineItems_019fd260-0c24-7fa9-8143-d5bdc64b227b" xlink:to="loc_txt_SupplierFinanceProgramCommitmentMaximum_019fd260-0c24-709e-9e98-0bb9c7d52551" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplierFinanceProgramPaymentTimingPeriod_019fd260-0c24-7d88-ba3d-3711292d158d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SupplierFinanceProgramPaymentTimingPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplierFinanceProgramLineItems_019fd260-0c24-7fa9-8143-d5bdc64b227b" xlink:to="loc_us-gaap_SupplierFinanceProgramPaymentTimingPeriod_019fd260-0c24-7d88-ba3d-3711292d158d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplierFinanceProgramObligationCurrent_019fd260-0c24-7271-b714-5adaa570007c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SupplierFinanceProgramObligationCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplierFinanceProgramLineItems_019fd260-0c24-7fa9-8143-d5bdc64b227b" xlink:to="loc_us-gaap_SupplierFinanceProgramObligationCurrent_019fd260-0c24-7271-b714-5adaa570007c" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/DerivativeInstrumentsandFairValueMeasurementsAssetsandLiabilitiesRecordedatFairValueonaRecurringBasisDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#DerivativeInstrumentsandFairValueMeasurementsAssetsandLiabilitiesRecordedatFairValueonaRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/DerivativeInstrumentsandFairValueMeasurementsAssetsandLiabilitiesRecordedatFairValueonaRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_019fd260-0c24-741d-af70-61b14ca5dacc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fd260-0c24-7b4b-988e-b0c362772c2d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019fd260-0c24-741d-af70-61b14ca5dacc" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fd260-0c24-7b4b-988e-b0c362772c2d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fd260-0c24-7a0c-a285-b6205747b6a4" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fd260-0c24-7b4b-988e-b0c362772c2d" xlink:to="loc_dei_LegalEntityAxis_019fd260-0c24-7a0c-a285-b6205747b6a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-7a0c-a285-b6205747b6a4_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-7a0c-a285-b6205747b6a4" xlink:to="loc_dei_EntityDomain_019fd260-0c24-7a0c-a285-b6205747b6a4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-7b87-b5b9-ec119d48fdf2" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-7a0c-a285-b6205747b6a4" xlink:to="loc_dei_EntityDomain_019fd260-0c24-7b87-b5b9-ec119d48fdf2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ManufacturingGroupMember_019fd260-0c24-7bcc-88fc-09d9e220afa0" xlink:href="txt-20261003.xsd#txt_ManufacturingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0c24-7b87-b5b9-ec119d48fdf2" xlink:to="loc_txt_ManufacturingGroupMember_019fd260-0c24-7bcc-88fc-09d9e220afa0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceGroupMember_019fd260-0c24-7824-b654-0403aef44ca7" xlink:href="txt-20261003.xsd#txt_FinanceGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0c24-7b87-b5b9-ec119d48fdf2" xlink:to="loc_txt_FinanceGroupMember_019fd260-0c24-7824-b654-0403aef44ca7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fd260-0c24-7f03-adf3-db7fda7d9244" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fd260-0c24-7b4b-988e-b0c362772c2d" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fd260-0c24-7f03-adf3-db7fda7d9244" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fd260-0c24-7f03-adf3-db7fda7d9244_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fd260-0c24-7f03-adf3-db7fda7d9244" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fd260-0c24-7f03-adf3-db7fda7d9244_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fd260-0c24-7a17-823a-5e0cfcdf31c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fd260-0c24-7f03-adf3-db7fda7d9244" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fd260-0c24-7a17-823a-5e0cfcdf31c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019fd260-0c24-7f80-a3e7-b6a2f4eb1385" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fd260-0c24-7a17-823a-5e0cfcdf31c5" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019fd260-0c24-7f80-a3e7-b6a2f4eb1385" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_019fd260-0c24-7e11-8ef9-ff708b5c7827" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fd260-0c24-7a17-823a-5e0cfcdf31c5" xlink:to="loc_us-gaap_InterestRateSwapMember_019fd260-0c24-7e11-8ef9-ff708b5c7827" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_InterestRateSwapMaturingAugust2026ToAugust2030Member_019fd260-0c24-71c8-a97e-1309f7efae99" xlink:href="txt-20261003.xsd#txt_InterestRateSwapMaturingAugust2026ToAugust2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestRateSwapMember_019fd260-0c24-7e11-8ef9-ff708b5c7827" xlink:to="loc_txt_InterestRateSwapMaturingAugust2026ToAugust2030Member_019fd260-0c24-71c8-a97e-1309f7efae99" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fd260-0c24-7080-b4a7-9d1b5975a6c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fd260-0c24-7b4b-988e-b0c362772c2d" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fd260-0c24-7080-b4a7-9d1b5975a6c8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019fd260-0c24-7080-b4a7-9d1b5975a6c8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fd260-0c24-7080-b4a7-9d1b5975a6c8" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019fd260-0c24-7080-b4a7-9d1b5975a6c8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019fd260-0c24-71e9-bba5-2de50b3afca1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fd260-0c24-7080-b4a7-9d1b5975a6c8" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019fd260-0c24-71e9-bba5-2de50b3afca1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_019fd260-0c24-7fe5-9c33-ab76baf5226f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019fd260-0c24-71e9-bba5-2de50b3afca1" xlink:to="loc_us-gaap_CashFlowHedgingMember_019fd260-0c24-7fe5-9c33-ab76baf5226f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fd260-0c24-74e5-a641-60afbadc42fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fd260-0c24-7b4b-988e-b0c362772c2d" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fd260-0c24-74e5-a641-60afbadc42fa" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fd260-0c24-74e5-a641-60afbadc42fa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fd260-0c24-74e5-a641-60afbadc42fa" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fd260-0c24-74e5-a641-60afbadc42fa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fd260-0c24-7f93-b97f-1f8e4965e263" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fd260-0c24-74e5-a641-60afbadc42fa" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fd260-0c24-7f93-b97f-1f8e4965e263" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019fd260-0c24-7714-8ad6-3e0c2381afeb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fd260-0c24-7f93-b97f-1f8e4965e263" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019fd260-0c24-7714-8ad6-3e0c2381afeb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fd260-0c24-722b-92aa-66cd42ba7ca8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fd260-0c24-7b4b-988e-b0c362772c2d" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fd260-0c24-722b-92aa-66cd42ba7ca8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fd260-0c24-722b-92aa-66cd42ba7ca8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fd260-0c24-722b-92aa-66cd42ba7ca8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fd260-0c24-722b-92aa-66cd42ba7ca8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fd260-0c24-7f92-aed4-81cd26df42d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fd260-0c24-722b-92aa-66cd42ba7ca8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fd260-0c24-7f92-aed4-81cd26df42d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JuniorSubordinatedDebtMember_019fd260-0c24-73d2-a101-189121506bb6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_JuniorSubordinatedDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fd260-0c24-7f92-aed4-81cd26df42d1" xlink:to="loc_us-gaap_JuniorSubordinatedDebtMember_019fd260-0c24-73d2-a101-189121506bb6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge1_019fd260-0c24-7a13-9fc0-b0196df311eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019fd260-0c24-741d-af70-61b14ca5dacc" xlink:to="loc_us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge1_019fd260-0c24-7a13-9fc0-b0196df311eb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_019fd260-0c24-737c-a221-179f662c3158" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019fd260-0c24-741d-af70-61b14ca5dacc" xlink:to="loc_us-gaap_DerivativeNotionalAmount_019fd260-0c24-737c-a221-179f662c3158" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetNotSubjectToMasterNettingArrangement_019fd260-0c24-744d-8a13-db196f0661b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetNotSubjectToMasterNettingArrangement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019fd260-0c24-741d-af70-61b14ca5dacc" xlink:to="loc_us-gaap_DerivativeAssetNotSubjectToMasterNettingArrangement_019fd260-0c24-744d-8a13-db196f0661b6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement_019fd260-0c24-759d-907f-4ccaa7c0af79" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019fd260-0c24-741d-af70-61b14ca5dacc" xlink:to="loc_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement_019fd260-0c24-759d-907f-4ccaa7c0af79" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_WeightedAverageFixedRateNetImpactOfDebtAndDerivativeInstrument_019fd260-0c24-70d8-99f9-87c80ace2743" xlink:href="txt-20261003.xsd#txt_WeightedAverageFixedRateNetImpactOfDebtAndDerivativeInstrument"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019fd260-0c24-741d-af70-61b14ca5dacc" xlink:to="loc_txt_WeightedAverageFixedRateNetImpactOfDebtAndDerivativeInstrument_019fd260-0c24-70d8-99f9-87c80ace2743" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/DerivativeInstrumentsandFairValueMeasurementsAssetsandLiabilitiesnotRecordedatFairValueDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#DerivativeInstrumentsandFairValueMeasurementsAssetsandLiabilitiesnotRecordedatFairValueDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/DerivativeInstrumentsandFairValueMeasurementsAssetsandLiabilitiesnotRecordedatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fd260-0c24-7b96-83a7-76e8d1d06eb0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fd260-0c24-7667-9ff0-49828f8ac24f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fd260-0c24-7b96-83a7-76e8d1d06eb0" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fd260-0c24-7667-9ff0-49828f8ac24f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fd260-0c24-76bc-b94c-7c2cf1e11ce6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fd260-0c24-7667-9ff0-49828f8ac24f" xlink:to="loc_dei_LegalEntityAxis_019fd260-0c24-76bc-b94c-7c2cf1e11ce6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-76bc-b94c-7c2cf1e11ce6_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-76bc-b94c-7c2cf1e11ce6" xlink:to="loc_dei_EntityDomain_019fd260-0c24-76bc-b94c-7c2cf1e11ce6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0c24-70f6-84da-ebf31e9c3369" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fd260-0c24-76bc-b94c-7c2cf1e11ce6" xlink:to="loc_dei_EntityDomain_019fd260-0c24-70f6-84da-ebf31e9c3369" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ManufacturingGroupMember_019fd260-0c24-73b3-96ae-03611144040e" xlink:href="txt-20261003.xsd#txt_ManufacturingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0c24-70f6-84da-ebf31e9c3369" xlink:to="loc_txt_ManufacturingGroupMember_019fd260-0c24-73b3-96ae-03611144040e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceGroupMember_019fd260-0c24-7d6f-94a7-199a3bcdc5c4" xlink:href="txt-20261003.xsd#txt_FinanceGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0c24-70f6-84da-ebf31e9c3369" xlink:to="loc_txt_FinanceGroupMember_019fd260-0c24-7d6f-94a7-199a3bcdc5c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_019fd260-0c24-7f98-8c7c-ef35ef897d80" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fd260-0c24-7667-9ff0-49828f8ac24f" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_019fd260-0c24-7f98-8c7c-ef35ef897d80" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fd260-0c24-7f98-8c7c-ef35ef897d80_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_019fd260-0c24-7f98-8c7c-ef35ef897d80" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fd260-0c24-7f98-8c7c-ef35ef897d80_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019fd260-0c24-7f1f-80b5-668165fb8690" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_019fd260-0c24-7f98-8c7c-ef35ef897d80" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019fd260-0c24-7f1f-80b5-668165fb8690" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fd260-0c24-7250-b3b3-274fc57f442c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019fd260-0c24-7f1f-80b5-668165fb8690" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fd260-0c24-7250-b3b3-274fc57f442c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_019fd260-0c24-74f9-87ec-91336b817738" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fd260-0c24-7250-b3b3-274fc57f442c" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_019fd260-0c24-74f9-87ec-91336b817738" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_019fd260-0c24-7ce3-8122-c42178dab37e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fd260-0c24-7250-b3b3-274fc57f442c" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_019fd260-0c24-7ce3-8122-c42178dab37e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinancialInstrumentsNotReflectedAtFairValueAbstract_019fd260-0c24-79d4-8050-47e70588cb53" xlink:href="txt-20261003.xsd#txt_FinancialInstrumentsNotReflectedAtFairValueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fd260-0c24-7b96-83a7-76e8d1d06eb0" xlink:to="loc_txt_FinancialInstrumentsNotReflectedAtFairValueAbstract_019fd260-0c24-79d4-8050-47e70588cb53" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_019fd260-0c24-7313-a642-591d62900e9a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_FinancialInstrumentsNotReflectedAtFairValueAbstract_019fd260-0c24-79d4-8050-47e70588cb53" xlink:to="loc_us-gaap_DebtInstrumentFairValue_019fd260-0c24-7313-a642-591d62900e9a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceReceivablesHeldForInvestmentExcludingLeases_019fd260-0c24-7e25-ab04-d65ae2deb2d5" xlink:href="txt-20261003.xsd#txt_FinanceReceivablesHeldForInvestmentExcludingLeases"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_FinancialInstrumentsNotReflectedAtFairValueAbstract_019fd260-0c24-79d4-8050-47e70588cb53" xlink:to="loc_txt_FinanceReceivablesHeldForInvestmentExcludingLeases_019fd260-0c24-7e25-ab04-d65ae2deb2d5" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/ShareholdersEquityReconciliationofShareholdersEquityDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#ShareholdersEquityReconciliationofShareholdersEquityDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/ShareholdersEquityReconciliationofShareholdersEquityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019fd260-0c24-74c0-afd6-0b5e067c2312" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019fd260-0c24-73b9-9575-803a86a88c67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019fd260-0c24-74c0-afd6-0b5e067c2312" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019fd260-0c24-73b9-9575-803a86a88c67" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019fd260-0c24-7f79-bb6d-9991ba93f5ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019fd260-0c24-73b9-9575-803a86a88c67" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019fd260-0c24-7f79-bb6d-9991ba93f5ed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7f79-bb6d-9991ba93f5ed_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fd260-0c24-7f79-bb6d-9991ba93f5ed" xlink:to="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7f79-bb6d-9991ba93f5ed_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7701-8589-972316e09112" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fd260-0c24-7f79-bb6d-9991ba93f5ed" xlink:to="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7701-8589-972316e09112" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019fd260-0c24-79fe-ad42-95966ea2e40b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7701-8589-972316e09112" xlink:to="loc_us-gaap_CommonStockMember_019fd260-0c24-79fe-ad42-95966ea2e40b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019fd260-0c24-7505-a8e6-697907eb3cbe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7701-8589-972316e09112" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019fd260-0c24-7505-a8e6-697907eb3cbe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019fd260-0c24-7948-a397-eebebf613ec3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7701-8589-972316e09112" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019fd260-0c24-7948-a397-eebebf613ec3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019fd260-0c24-78d3-ba77-874c5b7b20d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7701-8589-972316e09112" xlink:to="loc_us-gaap_RetainedEarningsMember_019fd260-0c24-78d3-ba77-874c5b7b20d3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fd260-0c24-7e93-9967-c04b4fe8fe42" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7701-8589-972316e09112" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fd260-0c24-7e93-9967-c04b4fe8fe42" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fd260-0c24-7fae-9a3e-beb806503694" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019fd260-0c24-74c0-afd6-0b5e067c2312" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fd260-0c24-7fae-9a3e-beb806503694" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fd260-0c24-797a-804b-c92157558bca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fd260-0c24-7fae-9a3e-beb806503694" xlink:to="loc_us-gaap_StockholdersEquity_019fd260-0c24-797a-804b-c92157558bca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fd260-0c24-7d8f-9b2c-47301cd89249" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fd260-0c24-7fae-9a3e-beb806503694" xlink:to="loc_us-gaap_NetIncomeLoss_019fd260-0c24-7d8f-9b2c-47301cd89249" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fd260-0c24-783e-9aef-ab4fad5a750c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fd260-0c24-7fae-9a3e-beb806503694" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fd260-0c24-783e-9aef-ab4fad5a750c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_019fd260-0c24-7add-85e1-7d8380ad43ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fd260-0c24-7fae-9a3e-beb806503694" xlink:to="loc_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_019fd260-0c24-7add-85e1-7d8380ad43ae" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStock_019fd260-0c24-7748-825d-cd2577dfc780" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DividendsCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fd260-0c24-7fae-9a3e-beb806503694" xlink:to="loc_us-gaap_DividendsCommonStock_019fd260-0c24-7748-825d-cd2577dfc780" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019fd260-0c24-7270-94bb-10e2c34df79a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fd260-0c24-7fae-9a3e-beb806503694" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019fd260-0c24-7270-94bb-10e2c34df79a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fd260-0c24-7977-a70d-1a88f9c0a83d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareRepurchaseProgramExciseTax_019fd260-0c24-7dbf-94c3-87d9e6af1416" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareRepurchaseProgramExciseTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019fd260-0c24-74c0-afd6-0b5e067c2312" xlink:to="loc_us-gaap_ShareRepurchaseProgramExciseTax_019fd260-0c24-7dbf-94c3-87d9e6af1416" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_019fd260-0c24-7269-937c-c5dd2769853d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019fd260-0c24-74c0-afd6-0b5e067c2312" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_019fd260-0c24-7269-937c-c5dd2769853d" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/ShareholdersEquityAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#ShareholdersEquityAccumulatedOtherComprehensiveIncomeLossDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/ShareholdersEquityAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019fd260-0c24-7150-b272-9a5b123ce84b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019fd260-0c24-73d4-aa01-2634d75bf3b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019fd260-0c24-7150-b272-9a5b123ce84b" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019fd260-0c24-73d4-aa01-2634d75bf3b9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019fd260-0c24-7d8b-9d65-ac1905d95a43" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019fd260-0c24-73d4-aa01-2634d75bf3b9" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019fd260-0c24-7d8b-9d65-ac1905d95a43" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7d8b-9d65-ac1905d95a43_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fd260-0c24-7d8b-9d65-ac1905d95a43" xlink:to="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7d8b-9d65-ac1905d95a43_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7f70-ab4f-94a533cc15be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fd260-0c24-7d8b-9d65-ac1905d95a43" xlink:to="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7f70-ab4f-94a533cc15be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fd260-0c24-7ab4-8c94-23961cc02f49" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fd260-0c24-7f70-ab4f-94a533cc15be" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fd260-0c24-7ab4-8c94-23961cc02f49" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019fd260-0c24-73af-b8c4-55a50dfe63d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fd260-0c24-7ab4-8c94-23961cc02f49" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019fd260-0c24-73af-b8c4-55a50dfe63d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019fd260-0c24-798f-9373-33fc53caf569" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fd260-0c24-7ab4-8c94-23961cc02f49" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019fd260-0c24-798f-9373-33fc53caf569" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019fd260-0c24-7f57-914b-d7d9466fdc41" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fd260-0c24-7ab4-8c94-23961cc02f49" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019fd260-0c24-7f57-914b-d7d9466fdc41" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019fd260-0c24-7afe-9746-676446351ba2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019fd260-0c24-7150-b272-9a5b123ce84b" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019fd260-0c24-7afe-9746-676446351ba2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fd260-0c24-7bdb-a03a-9a98b886915f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019fd260-0c24-7afe-9746-676446351ba2" xlink:to="loc_us-gaap_StockholdersEquity_019fd260-0c24-7bdb-a03a-9a98b886915f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_019fd260-0c24-78bb-8b0d-47763143b8dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019fd260-0c24-7afe-9746-676446351ba2" xlink:to="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_019fd260-0c24-78bb-8b0d-47763143b8dc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_019fd260-0c24-7e55-8a1a-33dac984d4a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019fd260-0c24-7afe-9746-676446351ba2" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_019fd260-0c24-7e55-8a1a-33dac984d4a4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fd260-0c24-7fd5-acbf-8331abcad57c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/SegmentFinancialInformationNarrativeDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#SegmentFinancialInformationNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/SegmentFinancialInformationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-7d82-825c-6d5da9bde59a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7684-88b8-2f40d2ec5914" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-7d82-825c-6d5da9bde59a" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7684-88b8-2f40d2ec5914" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fd260-0cd0-7c98-a41e-b081917edb22" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7684-88b8-2f40d2ec5914" xlink:to="loc_srt_RangeAxis_019fd260-0cd0-7c98-a41e-b081917edb22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fd260-0cd0-7c98-a41e-b081917edb22_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fd260-0cd0-7c98-a41e-b081917edb22" xlink:to="loc_srt_RangeMember_019fd260-0cd0-7c98-a41e-b081917edb22_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fd260-0cd0-7b6a-9c44-43357481b934" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fd260-0cd0-7c98-a41e-b081917edb22" xlink:to="loc_srt_RangeMember_019fd260-0cd0-7b6a-9c44-43357481b934" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019fd260-0cd0-7963-9653-230e71622efb" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fd260-0cd0-7b6a-9c44-43357481b934" xlink:to="loc_srt_MinimumMember_019fd260-0cd0-7963-9653-230e71622efb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fd260-0cd0-7d1d-bf91-85ed7b9964a7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fd260-0cd0-7b6a-9c44-43357481b934" xlink:to="loc_srt_MaximumMember_019fd260-0cd0-7d1d-bf91-85ed7b9964a7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7271-ae05-63989e58675c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7684-88b8-2f40d2ec5914" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7271-ae05-63989e58675c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fd260-0cd0-7271-ae05-63989e58675c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7271-ae05-63989e58675c" xlink:to="loc_us-gaap_SegmentDomain_019fd260-0cd0-7271-ae05-63989e58675c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fd260-0cd0-741c-a4d2-def5f66c635f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7271-ae05-63989e58675c" xlink:to="loc_us-gaap_SegmentDomain_019fd260-0cd0-741c-a4d2-def5f66c635f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_IndustrialMember_019fd260-0cd0-7143-bdab-f87fe962fdb4" xlink:href="txt-20261003.xsd#txt_IndustrialMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-741c-a4d2-def5f66c635f" xlink:to="loc_txt_IndustrialMember_019fd260-0cd0-7143-bdab-f87fe962fdb4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_019fd260-0cd0-7d20-b9f4-e82aedd3a556" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-7d82-825c-6d5da9bde59a" xlink:to="loc_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_019fd260-0cd0-7d20-b9f4-e82aedd3a556" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_019fd260-0cd0-763f-b434-748292c5abe6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_019fd260-0cd0-7d20-b9f4-e82aedd3a556" xlink:to="loc_us-gaap_NumberOfOperatingSegments_019fd260-0cd0-763f-b434-748292c5abe6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_019fd260-0cd0-7229-852f-6ade4c6e2109" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_019fd260-0cd0-7d20-b9f4-e82aedd3a556" xlink:to="loc_us-gaap_NumberOfReportableSegments_019fd260-0cd0-7229-852f-6ade4c6e2109" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_SegmentReportingSegmentTargetedSeparationCompletionDate_019fd260-0cd0-7d13-8533-3c3076ecdba5" xlink:href="txt-20261003.xsd#txt_SegmentReportingSegmentTargetedSeparationCompletionDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingDisclosureOfEntitysReportableSegmentsAbstract_019fd260-0cd0-7d20-b9f4-e82aedd3a556" xlink:to="loc_txt_SegmentReportingSegmentTargetedSeparationCompletionDate_019fd260-0cd0-7d13-8533-3c3076ecdba5" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/SegmentFinancialInformationRevenueandDisbursementofCostsandExpensesbySegmentsDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#SegmentFinancialInformationRevenueandDisbursementofCostsandExpensesbySegmentsDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/SegmentFinancialInformationRevenueandDisbursementofCostsandExpensesbySegmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-7db0-bf6a-ee869deab8ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7843-8e47-e694b88d6a7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-7db0-bf6a-ee869deab8ec" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7843-8e47-e694b88d6a7b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fd260-0cd0-7c7f-94c8-26c53df18b67" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7843-8e47-e694b88d6a7b" xlink:to="loc_dei_LegalEntityAxis_019fd260-0cd0-7c7f-94c8-26c53df18b67" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0cd0-7c7f-94c8-26c53df18b67_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fd260-0cd0-7c7f-94c8-26c53df18b67" xlink:to="loc_dei_EntityDomain_019fd260-0cd0-7c7f-94c8-26c53df18b67_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0cd0-788b-b4f5-84450f980d6b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fd260-0cd0-7c7f-94c8-26c53df18b67" xlink:to="loc_dei_EntityDomain_019fd260-0cd0-788b-b4f5-84450f980d6b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ManufacturingGroupMember_019fd260-0cd0-730b-a161-4312b9596c39" xlink:href="txt-20261003.xsd#txt_ManufacturingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0cd0-788b-b4f5-84450f980d6b" xlink:to="loc_txt_ManufacturingGroupMember_019fd260-0cd0-730b-a161-4312b9596c39" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceGroupMember_019fd260-0cd0-71eb-8e74-a87f14039f5a" xlink:href="txt-20261003.xsd#txt_FinanceGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0cd0-788b-b4f5-84450f980d6b" xlink:to="loc_txt_FinanceGroupMember_019fd260-0cd0-71eb-8e74-a87f14039f5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7044-ae30-d68e8154d5e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7843-8e47-e694b88d6a7b" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7044-ae30-d68e8154d5e3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fd260-0cd0-7044-ae30-d68e8154d5e3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7044-ae30-d68e8154d5e3" xlink:to="loc_us-gaap_SegmentDomain_019fd260-0cd0-7044-ae30-d68e8154d5e3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fd260-0cd0-75b0-8b79-9d4412939d6d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7044-ae30-d68e8154d5e3" xlink:to="loc_us-gaap_SegmentDomain_019fd260-0cd0-75b0-8b79-9d4412939d6d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_TextronAviationMember_019fd260-0cd0-71d7-9c74-16013645492f" xlink:href="txt-20261003.xsd#txt_TextronAviationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-75b0-8b79-9d4412939d6d" xlink:to="loc_txt_TextronAviationMember_019fd260-0cd0-71d7-9c74-16013645492f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_BellMember_019fd260-0cd0-7b4a-b18c-e59dc13e9192" xlink:href="txt-20261003.xsd#txt_BellMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-75b0-8b79-9d4412939d6d" xlink:to="loc_txt_BellMember_019fd260-0cd0-7b4a-b18c-e59dc13e9192" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_TextronSystemsMember_019fd260-0cd0-72ce-8b79-ce0c2501944e" xlink:href="txt-20261003.xsd#txt_TextronSystemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-75b0-8b79-9d4412939d6d" xlink:to="loc_txt_TextronSystemsMember_019fd260-0cd0-72ce-8b79-ce0c2501944e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_IndustrialMember_019fd260-0cd0-7686-af1d-71676bb18b7f" xlink:href="txt-20261003.xsd#txt_IndustrialMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-75b0-8b79-9d4412939d6d" xlink:to="loc_txt_IndustrialMember_019fd260-0cd0-7686-af1d-71676bb18b7f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceMember_019fd260-0cd0-7264-9214-41024e17a4e9" xlink:href="txt-20261003.xsd#txt_FinanceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-75b0-8b79-9d4412939d6d" xlink:to="loc_txt_FinanceMember_019fd260-0cd0-7264-9214-41024e17a4e9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7853-ad49-e5a4f1b08646" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7843-8e47-e694b88d6a7b" xlink:to="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7853-ad49-e5a4f1b08646" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-7853-ad49-e5a4f1b08646_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7853-ad49-e5a4f1b08646" xlink:to="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-7853-ad49-e5a4f1b08646_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-7b77-8725-b8efe5ff145f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7853-ad49-e5a4f1b08646" xlink:to="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-7b77-8725-b8efe5ff145f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019fd260-0cd0-776c-8776-0301d0f83e3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-7b77-8725-b8efe5ff145f" xlink:to="loc_us-gaap_OperatingSegmentsMember_019fd260-0cd0-776c-8776-0301d0f83e3a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019fd260-0cd0-7075-82cd-efa207f16ffc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-7db0-bf6a-ee869deab8ec" xlink:to="loc_us-gaap_Revenues_019fd260-0cd0-7075-82cd-efa207f16ffc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0cd0-7b57-bd4c-c8831cb2bb07" xlink:href="txt-20261003.xsd#txt_CostsAndExpensesAndOtherAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-7db0-bf6a-ee869deab8ec" xlink:to="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0cd0-7b57-bd4c-c8831cb2bb07" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019fd260-0cd0-747e-a571-89599a8501e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0cd0-7b57-bd4c-c8831cb2bb07" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019fd260-0cd0-747e-a571-89599a8501e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019fd260-0cd0-75d4-85d1-cee38b16fc0f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0cd0-7b57-bd4c-c8831cb2bb07" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019fd260-0cd0-75d4-85d1-cee38b16fc0f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fd260-0cd0-79c8-b1ab-9631c7be30cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0cd0-7b57-bd4c-c8831cb2bb07" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019fd260-0cd0-79c8-b1ab-9631c7be30cf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_019fd260-0cd0-709c-ab17-d9b49dbfa986" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_CostsAndExpensesAndOtherAbstract_019fd260-0cd0-7b57-bd4c-c8831cb2bb07" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_019fd260-0cd0-709c-ab17-d9b49dbfa986" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019fd260-0cd0-7235-9278-5798790f4f04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-7db0-bf6a-ee869deab8ec" xlink:to="loc_us-gaap_OperatingIncomeLoss_019fd260-0cd0-7235-9278-5798790f4f04" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/SegmentFinancialInformationReconciliationofSegmentProfittoIncomeBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#SegmentFinancialInformationReconciliationofSegmentProfittoIncomeBeforeIncomeTaxesDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/SegmentFinancialInformationReconciliationofSegmentProfittoIncomeBeforeIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-7b59-900f-f0d091db273c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7083-ab86-726143831075" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-7b59-900f-f0d091db273c" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7083-ab86-726143831075" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fd260-0cd0-7449-870d-a67807f603de" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7083-ab86-726143831075" xlink:to="loc_dei_LegalEntityAxis_019fd260-0cd0-7449-870d-a67807f603de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0cd0-7449-870d-a67807f603de_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fd260-0cd0-7449-870d-a67807f603de" xlink:to="loc_dei_EntityDomain_019fd260-0cd0-7449-870d-a67807f603de_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0cd0-730a-a128-15fe2db3a46a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fd260-0cd0-7449-870d-a67807f603de" xlink:to="loc_dei_EntityDomain_019fd260-0cd0-730a-a128-15fe2db3a46a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ManufacturingGroupMember_019fd260-0cd0-78de-87c0-0cc63e9299f5" xlink:href="txt-20261003.xsd#txt_ManufacturingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0cd0-730a-a128-15fe2db3a46a" xlink:to="loc_txt_ManufacturingGroupMember_019fd260-0cd0-78de-87c0-0cc63e9299f5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7690-8c4c-f89095d933f9" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-7083-ab86-726143831075" xlink:to="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7690-8c4c-f89095d933f9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-7690-8c4c-f89095d933f9_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7690-8c4c-f89095d933f9" xlink:to="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-7690-8c4c-f89095d933f9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-74d9-b6a8-c213b981351b" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7690-8c4c-f89095d933f9" xlink:to="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-74d9-b6a8-c213b981351b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019fd260-0cd0-7e5b-ad17-0a737d3ce4c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-74d9-b6a8-c213b981351b" xlink:to="loc_us-gaap_OperatingSegmentsMember_019fd260-0cd0-7e5b-ad17-0a737d3ce4c1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_019fd260-0cd0-7bff-92d2-158b6e1e4e32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MaterialReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-74d9-b6a8-c213b981351b" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_019fd260-0cd0-7bff-92d2-158b6e1e4e32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ReconciliationOfSegmentProfitToIncomeFromContinuingOperationsBeforeIncomeTaxesAbstract_019fd260-0cd0-74c0-9938-6a91960c3180" xlink:href="txt-20261003.xsd#txt_ReconciliationOfSegmentProfitToIncomeFromContinuingOperationsBeforeIncomeTaxesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-7b59-900f-f0d091db273c" xlink:to="loc_txt_ReconciliationOfSegmentProfitToIncomeFromContinuingOperationsBeforeIncomeTaxesAbstract_019fd260-0cd0-74c0-9938-6a91960c3180" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019fd260-0cd0-7398-96fc-697f9e711a94" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_ReconciliationOfSegmentProfitToIncomeFromContinuingOperationsBeforeIncomeTaxesAbstract_019fd260-0cd0-74c0-9938-6a91960c3180" xlink:to="loc_us-gaap_OperatingIncomeLoss_019fd260-0cd0-7398-96fc-697f9e711a94" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_CorporateExpensesAndOtherNet_019fd260-0cd0-7d7e-b3ff-4405f5a8765d" xlink:href="txt-20261003.xsd#txt_CorporateExpensesAndOtherNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_ReconciliationOfSegmentProfitToIncomeFromContinuingOperationsBeforeIncomeTaxesAbstract_019fd260-0cd0-74c0-9938-6a91960c3180" xlink:to="loc_txt_CorporateExpensesAndOtherNet_019fd260-0cd0-7d7e-b3ff-4405f5a8765d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_019fd260-0cd0-7304-a31d-43e64fa03b49" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_ReconciliationOfSegmentProfitToIncomeFromContinuingOperationsBeforeIncomeTaxesAbstract_019fd260-0cd0-74c0-9938-6a91960c3180" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_019fd260-0cd0-7304-a31d-43e64fa03b49" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryLIFOReservePeriodCharge_019fd260-0cd0-7f94-ba88-96de718b5da5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryLIFOReservePeriodCharge"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_ReconciliationOfSegmentProfitToIncomeFromContinuingOperationsBeforeIncomeTaxesAbstract_019fd260-0cd0-74c0-9938-6a91960c3180" xlink:to="loc_us-gaap_InventoryLIFOReservePeriodCharge_019fd260-0cd0-7f94-ba88-96de718b5da5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019fd260-0cd0-75b5-a9e8-12342f253a76" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_ReconciliationOfSegmentProfitToIncomeFromContinuingOperationsBeforeIncomeTaxesAbstract_019fd260-0cd0-74c0-9938-6a91960c3180" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019fd260-0cd0-75b5-a9e8-12342f253a76" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_SpecialCharges_019fd260-0cd0-7344-9a75-ef25c00d2da7" xlink:href="txt-20261003.xsd#txt_SpecialCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_ReconciliationOfSegmentProfitToIncomeFromContinuingOperationsBeforeIncomeTaxesAbstract_019fd260-0cd0-74c0-9938-6a91960c3180" xlink:to="loc_txt_SpecialCharges_019fd260-0cd0-7344-9a75-ef25c00d2da7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent_019fd260-0cd0-7d79-a9a3-e8f0cbc574c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_ReconciliationOfSegmentProfitToIncomeFromContinuingOperationsBeforeIncomeTaxesAbstract_019fd260-0cd0-74c0-9938-6a91960c3180" xlink:to="loc_us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent_019fd260-0cd0-7d79-a9a3-e8f0cbc574c8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fd260-0cd0-70b6-abb3-e47bc3b7a6bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_ReconciliationOfSegmentProfitToIncomeFromContinuingOperationsBeforeIncomeTaxesAbstract_019fd260-0cd0-74c0-9938-6a91960c3180" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fd260-0cd0-70b6-abb3-e47bc3b7a6bf" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/SegmentFinancialInformationCapitalExpendituresDepreciationandAmortizationandAssetsbySegmentDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#SegmentFinancialInformationCapitalExpendituresDepreciationandAmortizationandAssetsbySegmentDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/SegmentFinancialInformationCapitalExpendituresDepreciationandAmortizationandAssetsbySegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-70db-bdbf-3d276afd3c3d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-73fb-a747-361272995820" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-70db-bdbf-3d276afd3c3d" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-73fb-a747-361272995820" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fd260-0cd0-78e5-a822-bc4fc0c313f9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-73fb-a747-361272995820" xlink:to="loc_dei_LegalEntityAxis_019fd260-0cd0-78e5-a822-bc4fc0c313f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0cd0-78e5-a822-bc4fc0c313f9_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fd260-0cd0-78e5-a822-bc4fc0c313f9" xlink:to="loc_dei_EntityDomain_019fd260-0cd0-78e5-a822-bc4fc0c313f9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fd260-0cd0-74e8-a57e-f01a1dfe6d93" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fd260-0cd0-78e5-a822-bc4fc0c313f9" xlink:to="loc_dei_EntityDomain_019fd260-0cd0-74e8-a57e-f01a1dfe6d93" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ManufacturingGroupMember_019fd260-0cd0-728d-9fb9-6e567b0284e4" xlink:href="txt-20261003.xsd#txt_ManufacturingGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0cd0-74e8-a57e-f01a1dfe6d93" xlink:to="loc_txt_ManufacturingGroupMember_019fd260-0cd0-728d-9fb9-6e567b0284e4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceGroupMember_019fd260-0cd0-7216-8bb0-b52f5d171f2f" xlink:href="txt-20261003.xsd#txt_FinanceGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fd260-0cd0-74e8-a57e-f01a1dfe6d93" xlink:to="loc_txt_FinanceGroupMember_019fd260-0cd0-7216-8bb0-b52f5d171f2f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7312-8cc4-37ac0d905b22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-73fb-a747-361272995820" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7312-8cc4-37ac0d905b22" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fd260-0cd0-7312-8cc4-37ac0d905b22_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7312-8cc4-37ac0d905b22" xlink:to="loc_us-gaap_SegmentDomain_019fd260-0cd0-7312-8cc4-37ac0d905b22_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fd260-0cd0-766d-9a79-477c573978f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-7312-8cc4-37ac0d905b22" xlink:to="loc_us-gaap_SegmentDomain_019fd260-0cd0-766d-9a79-477c573978f7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_TextronAviationMember_019fd260-0cd0-748e-886a-8d6693261608" xlink:href="txt-20261003.xsd#txt_TextronAviationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-766d-9a79-477c573978f7" xlink:to="loc_txt_TextronAviationMember_019fd260-0cd0-748e-886a-8d6693261608" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_BellMember_019fd260-0cd0-7600-8091-962055f118d1" xlink:href="txt-20261003.xsd#txt_BellMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-766d-9a79-477c573978f7" xlink:to="loc_txt_BellMember_019fd260-0cd0-7600-8091-962055f118d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_TextronSystemsMember_019fd260-0cd0-7181-a61a-e4c0a1cb8c2c" xlink:href="txt-20261003.xsd#txt_TextronSystemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-766d-9a79-477c573978f7" xlink:to="loc_txt_TextronSystemsMember_019fd260-0cd0-7181-a61a-e4c0a1cb8c2c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_IndustrialMember_019fd260-0cd0-7375-b1f5-aa67e3c2c3e9" xlink:href="txt-20261003.xsd#txt_IndustrialMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-766d-9a79-477c573978f7" xlink:to="loc_txt_IndustrialMember_019fd260-0cd0-7375-b1f5-aa67e3c2c3e9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceMember_019fd260-0cd0-7bc9-b847-da660172f329" xlink:href="txt-20261003.xsd#txt_FinanceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-766d-9a79-477c573978f7" xlink:to="loc_txt_FinanceMember_019fd260-0cd0-7bc9-b847-da660172f329" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7d4e-964d-aa1cc82747b4" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fd260-0cd0-73fb-a747-361272995820" xlink:to="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7d4e-964d-aa1cc82747b4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-7d4e-964d-aa1cc82747b4_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7d4e-964d-aa1cc82747b4" xlink:to="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-7d4e-964d-aa1cc82747b4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-793e-9ab8-b57c528ce447" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019fd260-0cd0-7d4e-964d-aa1cc82747b4" xlink:to="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-793e-9ab8-b57c528ce447" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019fd260-0cd0-74ef-ab1a-ff6a6ee5717a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-793e-9ab8-b57c528ce447" xlink:to="loc_us-gaap_OperatingSegmentsMember_019fd260-0cd0-74ef-ab1a-ff6a6ee5717a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_019fd260-0cd0-789e-a065-c0badcbfae7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019fd260-0cd0-793e-9ab8-b57c528ce447" xlink:to="loc_us-gaap_CorporateNonSegmentMember_019fd260-0cd0-789e-a065-c0badcbfae7b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_019fd260-0cd0-7d93-8506-c532809394c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationAdditionalInformationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fd260-0cd0-70db-bdbf-3d276afd3c3d" xlink:to="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_019fd260-0cd0-7d93-8506-c532809394c3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_019fd260-0cd0-79d1-991b-0bd800f49dbc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentExpenditureAdditionToLongLivedAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_019fd260-0cd0-7d93-8506-c532809394c3" xlink:to="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_019fd260-0cd0-79d1-991b-0bd800f49dbc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019fd260-0cd0-72d9-a9cb-45751f747e7e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_019fd260-0cd0-7d93-8506-c532809394c3" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019fd260-0cd0-72d9-a9cb-45751f747e7e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019fd260-0cd0-7e17-b971-abc038e0e39f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_019fd260-0cd0-7d93-8506-c532809394c3" xlink:to="loc_us-gaap_Assets_019fd260-0cd0-7e17-b971-abc038e0e39f" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/RevenuesDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#RevenuesDisaggregationofRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/RevenuesDisaggregationofRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019fd260-0cd0-73e8-a760-b251c2d6c27d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019fd260-0cd0-70aa-958e-b548d9f6c470" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019fd260-0cd0-73e8-a760-b251c2d6c27d" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019fd260-0cd0-70aa-958e-b548d9f6c470" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-772f-98aa-bdc3a6183f61" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019fd260-0cd0-70aa-958e-b548d9f6c470" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-772f-98aa-bdc3a6183f61" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fd260-0cd0-772f-98aa-bdc3a6183f61_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-772f-98aa-bdc3a6183f61" xlink:to="loc_us-gaap_SegmentDomain_019fd260-0cd0-772f-98aa-bdc3a6183f61_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fd260-0cd0-71c5-b20b-f6215c0abc00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-772f-98aa-bdc3a6183f61" xlink:to="loc_us-gaap_SegmentDomain_019fd260-0cd0-71c5-b20b-f6215c0abc00" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_TextronAviationMember_019fd260-0cd0-7282-b632-3345ba8eace6" xlink:href="txt-20261003.xsd#txt_TextronAviationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-71c5-b20b-f6215c0abc00" xlink:to="loc_txt_TextronAviationMember_019fd260-0cd0-7282-b632-3345ba8eace6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_BellMember_019fd260-0cd0-7def-b055-e5572cb4cd84" xlink:href="txt-20261003.xsd#txt_BellMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-71c5-b20b-f6215c0abc00" xlink:to="loc_txt_BellMember_019fd260-0cd0-7def-b055-e5572cb4cd84" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_TextronSystemsMember_019fd260-0cd0-7bca-a63e-7e3afc1d2283" xlink:href="txt-20261003.xsd#txt_TextronSystemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-71c5-b20b-f6215c0abc00" xlink:to="loc_txt_TextronSystemsMember_019fd260-0cd0-7bca-a63e-7e3afc1d2283" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_IndustrialMember_019fd260-0cd0-75ee-9918-e4d2884c8885" xlink:href="txt-20261003.xsd#txt_IndustrialMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-71c5-b20b-f6215c0abc00" xlink:to="loc_txt_IndustrialMember_019fd260-0cd0-75ee-9918-e4d2884c8885" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FinanceMember_019fd260-0cd0-73dc-8cc8-e9f42d999a4b" xlink:href="txt-20261003.xsd#txt_FinanceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-71c5-b20b-f6215c0abc00" xlink:to="loc_txt_FinanceMember_019fd260-0cd0-73dc-8cc8-e9f42d999a4b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019fd260-0cd0-7ba0-a688-e126df7d3688" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019fd260-0cd0-70aa-958e-b548d9f6c470" xlink:to="loc_srt_ProductOrServiceAxis_019fd260-0cd0-7ba0-a688-e126df7d3688" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fd260-0cd0-7ba0-a688-e126df7d3688_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019fd260-0cd0-7ba0-a688-e126df7d3688" xlink:to="loc_srt_ProductsAndServicesDomain_019fd260-0cd0-7ba0-a688-e126df7d3688_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fd260-0cd0-7e0f-8abb-c31e5ca7f3d7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019fd260-0cd0-7ba0-a688-e126df7d3688" xlink:to="loc_srt_ProductsAndServicesDomain_019fd260-0cd0-7e0f-8abb-c31e5ca7f3d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_AircraftMember_019fd260-0cd0-711f-b226-d74a8ed1ce71" xlink:href="txt-20261003.xsd#txt_AircraftMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fd260-0cd0-7e0f-8abb-c31e5ca7f3d7" xlink:to="loc_txt_AircraftMember_019fd260-0cd0-711f-b226-d74a8ed1ce71" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_AftermarketPartsAndServicesMember_019fd260-0cd0-7626-b5d6-9809f6436c87" xlink:href="txt-20261003.xsd#txt_AftermarketPartsAndServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fd260-0cd0-7e0f-8abb-c31e5ca7f3d7" xlink:to="loc_txt_AftermarketPartsAndServicesMember_019fd260-0cd0-7626-b5d6-9809f6436c87" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_MilitaryAircraftAndSupportProgramsMember_019fd260-0cd0-700b-96f5-52a527a861bb" xlink:href="txt-20261003.xsd#txt_MilitaryAircraftAndSupportProgramsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fd260-0cd0-7e0f-8abb-c31e5ca7f3d7" xlink:to="loc_txt_MilitaryAircraftAndSupportProgramsMember_019fd260-0cd0-700b-96f5-52a527a861bb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_CommercialHelicoptersPartsAndServicesMember_019fd260-0cd0-7179-bd21-4c05c1553b3f" xlink:href="txt-20261003.xsd#txt_CommercialHelicoptersPartsAndServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fd260-0cd0-7e0f-8abb-c31e5ca7f3d7" xlink:to="loc_txt_CommercialHelicoptersPartsAndServicesMember_019fd260-0cd0-7179-bd21-4c05c1553b3f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_FuelSystemsAndFunctionalComponentsMember_019fd260-0cd0-7f20-a464-89bb57258808" xlink:href="txt-20261003.xsd#txt_FuelSystemsAndFunctionalComponentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fd260-0cd0-7e0f-8abb-c31e5ca7f3d7" xlink:to="loc_txt_FuelSystemsAndFunctionalComponentsMember_019fd260-0cd0-7f20-a464-89bb57258808" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_SpecializedVehiclesMember_019fd260-0cd0-7d60-a7ff-22e4040490f2" xlink:href="txt-20261003.xsd#txt_SpecializedVehiclesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fd260-0cd0-7e0f-8abb-c31e5ca7f3d7" xlink:to="loc_txt_SpecializedVehiclesMember_019fd260-0cd0-7d60-a7ff-22e4040490f2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_019fd260-0cd0-77c4-8700-e5c6bfe63148" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019fd260-0cd0-70aa-958e-b548d9f6c470" xlink:to="loc_srt_MajorCustomersAxis_019fd260-0cd0-77c4-8700-e5c6bfe63148" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_019fd260-0cd0-77c4-8700-e5c6bfe63148_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_019fd260-0cd0-77c4-8700-e5c6bfe63148" xlink:to="loc_srt_NameOfMajorCustomerDomain_019fd260-0cd0-77c4-8700-e5c6bfe63148_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_019fd260-0cd0-7b5f-947a-8f399db38586" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_019fd260-0cd0-77c4-8700-e5c6bfe63148" xlink:to="loc_srt_NameOfMajorCustomerDomain_019fd260-0cd0-7b5f-947a-8f399db38586" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_CommercialCustomerMember_019fd260-0cd0-775e-b868-a0ca4cf1ca6a" xlink:href="txt-20261003.xsd#txt_CommercialCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_019fd260-0cd0-7b5f-947a-8f399db38586" xlink:to="loc_txt_CommercialCustomerMember_019fd260-0cd0-775e-b868-a0ca4cf1ca6a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_USGovernmentMember_019fd260-0cd0-70f2-b7e1-730d8994f592" xlink:href="txt-20261003.xsd#txt_USGovernmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_019fd260-0cd0-7b5f-947a-8f399db38586" xlink:to="loc_txt_USGovernmentMember_019fd260-0cd0-70f2-b7e1-730d8994f592" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019fd260-0cd0-774a-8646-126a2738cdc8" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019fd260-0cd0-70aa-958e-b548d9f6c470" xlink:to="loc_srt_StatementGeographicalAxis_019fd260-0cd0-774a-8646-126a2738cdc8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fd260-0cd0-774a-8646-126a2738cdc8_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019fd260-0cd0-774a-8646-126a2738cdc8" xlink:to="loc_srt_SegmentGeographicalDomain_019fd260-0cd0-774a-8646-126a2738cdc8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fd260-0cd0-7c50-a1b6-8b9dee024377" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019fd260-0cd0-774a-8646-126a2738cdc8" xlink:to="loc_srt_SegmentGeographicalDomain_019fd260-0cd0-7c50-a1b6-8b9dee024377" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_019fd260-0cd0-72cf-a70d-9c5e3002be10" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fd260-0cd0-7c50-a1b6-8b9dee024377" xlink:to="loc_country_US_019fd260-0cd0-72cf-a70d-9c5e3002be10" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EuropeMember_019fd260-0cd0-742d-92eb-ad9e82ac1f41" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EuropeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fd260-0cd0-7c50-a1b6-8b9dee024377" xlink:to="loc_srt_EuropeMember_019fd260-0cd0-742d-92eb-ad9e82ac1f41" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_InternationalMember_019fd260-0cd0-75a4-91d6-412e5c210490" xlink:href="txt-20261003.xsd#txt_InternationalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fd260-0cd0-7c50-a1b6-8b9dee024377" xlink:to="loc_txt_InternationalMember_019fd260-0cd0-75a4-91d6-412e5c210490" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019fd260-0cd0-77ba-91a4-8899113b0942" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019fd260-0cd0-73e8-a760-b251c2d6c27d" xlink:to="loc_us-gaap_Revenues_019fd260-0cd0-77ba-91a4-8899113b0942" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/RevenuesRemainingPerformanceObligationsDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#RevenuesRemainingPerformanceObligationsDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/RevenuesRemainingPerformanceObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019fd260-0cd0-7b12-ba0b-d2da7adc7573" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019fd260-0cd0-78e0-84ac-88df4c94d4d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019fd260-0cd0-7b12-ba0b-d2da7adc7573" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019fd260-0cd0-78e0-84ac-88df4c94d4d0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_019fd260-0cd0-79d9-b276-9b7c2a649cd2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019fd260-0cd0-78e0-84ac-88df4c94d4d0" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_019fd260-0cd0-79d9-b276-9b7c2a649cd2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_019fd260-0cd0-77d1-b41f-8f32a7edf29b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019fd260-0cd0-7b12-ba0b-d2da7adc7573" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_019fd260-0cd0-77d1-b41f-8f32a7edf29b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_019fd260-0cd0-7e79-8e11-a45e5b68dd8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019fd260-0cd0-7b12-ba0b-d2da7adc7573" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_019fd260-0cd0-7e79-8e11-a45e5b68dd8a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019fd260-0cd0-772f-a3fb-bbee6e7bb7a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019fd260-0cd0-7b12-ba0b-d2da7adc7573" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019fd260-0cd0-772f-a3fb-bbee6e7bb7a1" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/RevenuesRemainingPerformanceObligationsDetails_1" xlink:type="simple" xlink:href="txt-20261003.xsd#RevenuesRemainingPerformanceObligationsDetails_1"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/RevenuesRemainingPerformanceObligationsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019fd260-0cd0-7b12-ba0b-d2da7adc7573" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019fd260-0cd0-78e0-84ac-88df4c94d4d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019fd260-0cd0-7b12-ba0b-d2da7adc7573" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019fd260-0cd0-78e0-84ac-88df4c94d4d0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_019fd260-0cd0-77d1-b41f-8f32a7edf29b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019fd260-0cd0-7b12-ba0b-d2da7adc7573" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_019fd260-0cd0-77d1-b41f-8f32a7edf29b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_019fd260-0cd0-7e79-8e11-a45e5b68dd8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019fd260-0cd0-7b12-ba0b-d2da7adc7573" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_019fd260-0cd0-7e79-8e11-a45e5b68dd8a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019fd260-0cd0-772f-a3fb-bbee6e7bb7a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019fd260-0cd0-7b12-ba0b-d2da7adc7573" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019fd260-0cd0-772f-a3fb-bbee6e7bb7a1" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/RetirementPlansDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#RetirementPlansDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/RetirementPlansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019fd260-0cd0-71d0-bbcc-58072d76f6b2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019fd260-0cd0-7a4e-bf70-3ecefe460194" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019fd260-0cd0-71d0-bbcc-58072d76f6b2" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019fd260-0cd0-7a4e-bf70-3ecefe460194" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_019fd260-0cd0-764f-bb3d-3ec60ed83222" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019fd260-0cd0-7a4e-bf70-3ecefe460194" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_019fd260-0cd0-764f-bb3d-3ec60ed83222" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_019fd260-0cd0-764f-bb3d-3ec60ed83222_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_019fd260-0cd0-764f-bb3d-3ec60ed83222" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_019fd260-0cd0-764f-bb3d-3ec60ed83222_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_019fd260-0cd0-7adb-b9f3-a66d4e2e29d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_019fd260-0cd0-764f-bb3d-3ec60ed83222" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_019fd260-0cd0-7adb-b9f3-a66d4e2e29d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_019fd260-0cd0-7091-ad9c-1f9e53a59d91" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_019fd260-0cd0-7adb-b9f3-a66d4e2e29d8" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_019fd260-0cd0-7091-ad9c-1f9e53a59d91" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_019fd260-0cd0-73cb-8da5-8074269fa564" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_019fd260-0cd0-7adb-b9f3-a66d4e2e29d8" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_019fd260-0cd0-73cb-8da5-8074269fa564" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationAxis_019fd260-0cd0-7e02-ad02-61107e79a85c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanSponsorLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019fd260-0cd0-7a4e-bf70-3ecefe460194" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationAxis_019fd260-0cd0-7e02-ad02-61107e79a85c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_019fd260-0cd0-7e02-ad02-61107e79a85c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanSponsorLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_019fd260-0cd0-7e02-ad02-61107e79a85c" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationDomain_019fd260-0cd0-7e02-ad02-61107e79a85c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_019fd260-0cd0-71a4-aa15-5a87d1eaf030" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanSponsorLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_019fd260-0cd0-7e02-ad02-61107e79a85c" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationDomain_019fd260-0cd0-71a4-aa15-5a87d1eaf030" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticPlanMember_019fd260-0cd0-7bf9-844a-aeeb79ce4ac5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DomesticPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationDomain_019fd260-0cd0-71a4-aa15-5a87d1eaf030" xlink:to="loc_us-gaap_DomesticPlanMember_019fd260-0cd0-7bf9-844a-aeeb79ce4ac5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_019fd260-0cd0-7645-961d-f5cec79d8d83" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DomesticPlanMember_019fd260-0cd0-7bf9-844a-aeeb79ce4ac5" xlink:to="loc_country_US_019fd260-0cd0-7645-961d-f5cec79d8d83" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_019fd260-0cd0-74c3-9cdd-6bbb58d7a772" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019fd260-0cd0-71d0-bbcc-58072d76f6b2" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_019fd260-0cd0-74c3-9cdd-6bbb58d7a772" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_019fd260-0cd0-74e9-b632-379bd9bb68e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_019fd260-0cd0-74c3-9cdd-6bbb58d7a772" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_019fd260-0cd0-74e9-b632-379bd9bb68e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_019fd260-0cd0-7285-8776-bb356394c981" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_019fd260-0cd0-74c3-9cdd-6bbb58d7a772" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_019fd260-0cd0-7285-8776-bb356394c981" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019fd260-0cd0-770a-98e3-feee2bf866dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_019fd260-0cd0-74c3-9cdd-6bbb58d7a772" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019fd260-0cd0-770a-98e3-feee2bf866dd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_019fd260-0cd0-7190-9218-37ec82f382bd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_019fd260-0cd0-74c3-9cdd-6bbb58d7a772" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_019fd260-0cd0-7190-9218-37ec82f382bd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019fd260-0cd0-7da3-94e8-0e2a9c5994bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_019fd260-0cd0-74c3-9cdd-6bbb58d7a772" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019fd260-0cd0-7da3-94e8-0e2a9c5994bb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019fd260-0cd0-7f74-8e26-a6148928fbfd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_019fd260-0cd0-74c3-9cdd-6bbb58d7a772" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019fd260-0cd0-7f74-8e26-a6148928fbfd" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_019fd260-0cd0-7c88-a6d7-63861067881a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedContributionPlanCostRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019fd260-0cd0-71d0-bbcc-58072d76f6b2" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_019fd260-0cd0-7c88-a6d7-63861067881a" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.textron.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="simple" xlink:href="txt-20261003.xsd#CommitmentsandContingenciesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.textron.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_019fd260-0cd0-76b6-b59b-e69bcf784777" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTable_019fd260-0cd0-73d1-91c7-66d162128eab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fd260-0cd0-76b6-b59b-e69bcf784777" xlink:to="loc_us-gaap_OtherCommitmentsTable_019fd260-0cd0-73d1-91c7-66d162128eab" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_019fd260-0cd0-7842-9cfd-3e1b92349594" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_019fd260-0cd0-73d1-91c7-66d162128eab" xlink:to="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_019fd260-0cd0-7842-9cfd-3e1b92349594" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProjectMember_019fd260-0cd0-7842-9cfd-3e1b92349594_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProjectMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_019fd260-0cd0-7842-9cfd-3e1b92349594" xlink:to="loc_us-gaap_ProjectMember_019fd260-0cd0-7842-9cfd-3e1b92349594_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProjectMember_019fd260-0cd0-7ede-a3b4-d0160f7323fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProjectMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_019fd260-0cd0-7842-9cfd-3e1b92349594" xlink:to="loc_us-gaap_ProjectMember_019fd260-0cd0-7ede-a3b4-d0160f7323fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_MV75ProgramMember_019fd260-0cd0-711b-8842-5ac3ea3552e6" xlink:href="txt-20261003.xsd#txt_MV75ProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProjectMember_019fd260-0cd0-7ede-a3b4-d0160f7323fa" xlink:to="loc_txt_MV75ProgramMember_019fd260-0cd0-711b-8842-5ac3ea3552e6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_RiskOrUncertaintyPeriodAxis_019fd260-0cd0-7210-aa1a-f4bf4d48b8e7" xlink:href="txt-20261003.xsd#txt_RiskOrUncertaintyPeriodAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_019fd260-0cd0-73d1-91c7-66d162128eab" xlink:to="loc_txt_RiskOrUncertaintyPeriodAxis_019fd260-0cd0-7210-aa1a-f4bf4d48b8e7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_RiskOrUncertaintyPeriodDomain_019fd260-0cd0-7210-aa1a-f4bf4d48b8e7_default" xlink:href="txt-20261003.xsd#txt_RiskOrUncertaintyPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_txt_RiskOrUncertaintyPeriodAxis_019fd260-0cd0-7210-aa1a-f4bf4d48b8e7" xlink:to="loc_txt_RiskOrUncertaintyPeriodDomain_019fd260-0cd0-7210-aa1a-f4bf4d48b8e7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_RiskOrUncertaintyPeriodDomain_019fd260-0cd0-7b0d-888e-bd572ca37a7c" xlink:href="txt-20261003.xsd#txt_RiskOrUncertaintyPeriodDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_txt_RiskOrUncertaintyPeriodAxis_019fd260-0cd0-7210-aa1a-f4bf4d48b8e7" xlink:to="loc_txt_RiskOrUncertaintyPeriodDomain_019fd260-0cd0-7b0d-888e-bd572ca37a7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_RiskOrUncertaintyPeriodUnitedStatesFederalGovernmentFiscal2026Member_019fd260-0cd0-78bd-a396-4df7c6034d2c" xlink:href="txt-20261003.xsd#txt_RiskOrUncertaintyPeriodUnitedStatesFederalGovernmentFiscal2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_RiskOrUncertaintyPeriodDomain_019fd260-0cd0-7b0d-888e-bd572ca37a7c" xlink:to="loc_txt_RiskOrUncertaintyPeriodUnitedStatesFederalGovernmentFiscal2026Member_019fd260-0cd0-78bd-a396-4df7c6034d2c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_RiskOrUncertaintyPeriod2027Member_01a16554-622b-73f7-87f2-d32aa84c0920" xlink:href="txt-20261003.xsd#txt_RiskOrUncertaintyPeriod2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_RiskOrUncertaintyPeriodDomain_019fd260-0cd0-7b0d-888e-bd572ca37a7c" xlink:to="loc_txt_RiskOrUncertaintyPeriod2027Member_01a16554-622b-73f7-87f2-d32aa84c0920" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_RiskOrUncertaintyPeriodLate2026OrEarly2027Member_019fd260-0cd0-7203-8aa9-78426b521c2a" xlink:href="txt-20261003.xsd#txt_RiskOrUncertaintyPeriodLate2026OrEarly2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_txt_RiskOrUncertaintyPeriodDomain_019fd260-0cd0-7b0d-888e-bd572ca37a7c" xlink:to="loc_txt_RiskOrUncertaintyPeriodLate2026OrEarly2027Member_019fd260-0cd0-7203-8aa9-78426b521c2a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fd260-0cd0-7290-a0bd-2bfda0e5e4bf" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_019fd260-0cd0-73d1-91c7-66d162128eab" xlink:to="loc_srt_RangeAxis_019fd260-0cd0-7290-a0bd-2bfda0e5e4bf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fd260-0cd0-7290-a0bd-2bfda0e5e4bf_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fd260-0cd0-7290-a0bd-2bfda0e5e4bf" xlink:to="loc_srt_RangeMember_019fd260-0cd0-7290-a0bd-2bfda0e5e4bf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fd260-0cd0-715c-802b-e96999c71c4c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fd260-0cd0-7290-a0bd-2bfda0e5e4bf" xlink:to="loc_srt_RangeMember_019fd260-0cd0-715c-802b-e96999c71c4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019fd260-0cd0-7f59-abee-636c413a1999" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fd260-0cd0-715c-802b-e96999c71c4c" xlink:to="loc_srt_MinimumMember_019fd260-0cd0-7f59-abee-636c413a1999" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fd260-0cd0-768b-b06d-cef56d15613e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fd260-0cd0-715c-802b-e96999c71c4c" xlink:to="loc_srt_MaximumMember_019fd260-0cd0-768b-b06d-cef56d15613e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-72de-ad27-ff105f7a2b9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_019fd260-0cd0-73d1-91c7-66d162128eab" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-72de-ad27-ff105f7a2b9e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fd260-0cd0-72de-ad27-ff105f7a2b9e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-72de-ad27-ff105f7a2b9e" xlink:to="loc_us-gaap_SegmentDomain_019fd260-0cd0-72de-ad27-ff105f7a2b9e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fd260-0cd0-7e34-8fcd-80f0280ed879" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fd260-0cd0-72de-ad27-ff105f7a2b9e" xlink:to="loc_us-gaap_SegmentDomain_019fd260-0cd0-7e34-8fcd-80f0280ed879" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_BellMember_019fd260-0cd0-73d1-a18b-31696a6679a9" xlink:href="txt-20261003.xsd#txt_BellMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fd260-0cd0-7e34-8fcd-80f0280ed879" xlink:to="loc_txt_BellMember_019fd260-0cd0-73d1-a18b-31696a6679a9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_AboveThresholdReprogrammingATRRequestForAdditionalFunds_01a17907-4632-7c67-9a8a-f196ebebe57b" xlink:href="txt-20261003.xsd#txt_AboveThresholdReprogrammingATRRequestForAdditionalFunds"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fd260-0cd0-76b6-b59b-e69bcf784777" xlink:to="loc_txt_AboveThresholdReprogrammingATRRequestForAdditionalFunds_01a17907-4632-7c67-9a8a-f196ebebe57b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_AboveThresholdReprogrammingATRRequestForAdditionalFundsApprovedAndObligatedPursuantToContractModifications_01a17908-a937-7507-a36c-564ebd8e2c95" xlink:href="txt-20261003.xsd#txt_AboveThresholdReprogrammingATRRequestForAdditionalFundsApprovedAndObligatedPursuantToContractModifications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fd260-0cd0-76b6-b59b-e69bcf784777" xlink:to="loc_txt_AboveThresholdReprogrammingATRRequestForAdditionalFundsApprovedAndObligatedPursuantToContractModifications_01a17908-a937-7507-a36c-564ebd8e2c95" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_txt_ExpectedUnfavorableCumulativeCatchUpAdjustment_019fd260-0cd0-7cca-b204-df68f1753906" xlink:href="txt-20261003.xsd#txt_ExpectedUnfavorableCumulativeCatchUpAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fd260-0cd0-76b6-b59b-e69bcf784777" xlink:to="loc_txt_ExpectedUnfavorableCumulativeCatchUpAdjustment_019fd260-0cd0-7cca-b204-df68f1753906" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/srt/role/srt-eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-roles-2026.xsd#eedm1"/>
  <link:definitionLink xlink:role="http://fasb.org/srt/role/srt-eedm/ExtensibleEnumerationLists" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_OtherAssetsNoncurrent" xlink:type="arc" order="101"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization" xlink:type="arc" order="102"/>
  </link:definitionLink>
</link:linkbase>
