quadrennium

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noun qua·dren·ni·um \-nē-əm\

Definition of quadrennium

plural

quadrenniums

or

quadrennia

play \-nē-ə\
  1. :  a period of four years

Origin and Etymology of quadrennium

Latin quadriennium, from quadri- + annus year — more at annual


First Known Use: 1754


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