Quad*ren"ni*al (?), a. [L. quadriennium a space of four years; quattuor four + annus year; cf. L. quadriennis. See Quadrate, and Annual.]


Comprising four years; as, a quadrennial period.


Occurring once in four years, or at the end of every four years; as, quadrennial games.


© Webster 1913.

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