First Known Use: 1754
Dictionary
quadrennium
noun qua·dren·ni·um \-nē-əm\
plural qua·dren·ni·ums or qua·dren·nia\-nē-ə\
Definition of QUADRENNIUM
: a period of four years
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Origin of QUADRENNIUM
Latin quadriennium, from quadri- + annus year — more at annual
Rhymes with QUADRENNIUM
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