<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd http://xbrl.org/2005/xbrldt http://www.xbrl.org/2005/xbrldt-2005.xsd" xmlns:cik0000353560="http://www.dreyfus.com/20251130">
	<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/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: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://www.xbrl.org/2009/arcrole/dep-concept-deprecatedConcept" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/arcrole/deprecated-2009-12-16.xsd#dep-concept-deprecatedConcept" />
	<link:roleRef roleURI="http://www.dreyfus.com/20251130/role/RRRiskTable3" xlink:type="simple" xlink:href="c485bpos-20260327.xsd#RRRiskTable3" />
	<link:roleRef roleURI="http://www.dreyfus.com/20251130/role/RRRiskTable5" xlink:type="simple" xlink:href="c485bpos-20260327.xsd#RRRiskTable5" />
	<link:roleRef roleURI="http://www.dreyfus.com/20251130/role/RRRiskTable7" xlink:type="simple" xlink:href="c485bpos-20260327.xsd#RRRiskTable7" />
	<link:roleRef roleURI="http://xbrl.sec.gov/rr/role/ProspectusOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ProspectusOnly" />
	<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/SeriesOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#SeriesOnly" />
	<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ClassOnly" />
	<link:roleRef roleURI="http://xbrl.sec.gov/rr/role/ShareholderFeesData" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderFeesData" />
	<link:roleRef roleURI="http://xbrl.sec.gov/rr/role/OperatingExpensesData" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#OperatingExpensesData" />
	<link:roleRef roleURI="http://xbrl.sec.gov/rr/role/RiskOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#RiskOnly" />
	<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/ProspectusOnly">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentDomain" xlink:label="DocumentDomain" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_S000000119Summary1Member" xlink:label="S000000119Summary1Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="DocumentDomain" xlink:to="S000000119Summary1Member" order="1.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_S000000119Summary2Member" xlink:label="S000000119Summary2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="DocumentDomain" xlink:to="S000000119Summary2Member" order="2.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_S000000119Summary3Member" xlink:label="S000000119Summary3Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="DocumentDomain" xlink:to="S000000119Summary3Member" order="3.0" />
	</link:definitionLink>
	<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/SeriesOnly">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain" xlink:label="EntityDomain" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_S000000119Member" xlink:label="S000000119Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="EntityDomain" xlink:to="S000000119Member" order="1.0" />
	</link:definitionLink>
	<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ClassOnly">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_C000157127Member" xlink:label="C000157127Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000157127Member" order="1.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_C000000266Member" xlink:label="C000000266Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000000266Member" order="2.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_C000000265Member" xlink:label="C000000265Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000000265Member" order="3.0" />
	</link:definitionLink>
	<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/RiskOnly">
		<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AllRisksMember" xlink:label="AllRisksMember" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_PrincipalRisks2Member" xlink:label="PrincipalRisks2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="PrincipalRisks2Member" order="1.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_Interestraterisk2Member" xlink:label="Interestraterisk2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="Interestraterisk2Member" order="2.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_Liquidityrisk2Member" xlink:label="Liquidityrisk2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="Liquidityrisk2Member" order="3.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_Creditrisk2Member" xlink:label="Creditrisk2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="Creditrisk2Member" order="4.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_Liquidityfeerisk2Member" xlink:label="Liquidityfeerisk2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="Liquidityfeerisk2Member" order="5.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_Bankingindustryrisk2Member" xlink:label="Bankingindustryrisk2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="Bankingindustryrisk2Member" order="6.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_Foreigninvestmentrisk2Member" xlink:label="Foreigninvestmentrisk2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="Foreigninvestmentrisk2Member" order="7.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_USTreasurysecuritiesrisk2Member" xlink:label="USTreasurysecuritiesrisk2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="USTreasurysecuritiesrisk2Member" order="8.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_Governmentsecuritiesrisk2Member" xlink:label="Governmentsecuritiesrisk2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="Governmentsecuritiesrisk2Member" order="9.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_Repurchaseagreementcounterpartyrisk2Member" xlink:label="Repurchaseagreementcounterpartyrisk2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="Repurchaseagreementcounterpartyrisk2Member" order="10.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_Asset-backedsecuritiesrisk2Member" xlink:label="Asset-backedsecuritiesrisk2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="Asset-backedsecuritiesrisk2Member" order="11.0" />
		<link:loc xlink:type="locator" xlink:href="c485bpos-20260327.xsd#cik0000353560_Marketrisk2Member" xlink:label="Marketrisk2Member" />
		<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="Marketrisk2Member" order="12.0" />
	</link:definitionLink>
</link:linkbase>