Dictionary

quinquennium

noun quin·quen·ni·um \-nē-əm\
plural quin·quen·ni·ums or quin·quen·nia\-nē-ə\

Definition of QUINQUENNIUM

:  a period of five years
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Origin of QUINQUENNIUM

Latin, from quinque five + annus year — more at five, annual
First Known Use: 1621

Rhymes with QUINQUENNIUM

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