(definition) by Webster 1913 Wed Dec 22 1999 at 2:26:21

Quin*quen"ni*al (?), a. [L. quinquennalis and quinquennis; quinque five + annus year. See Five, and cf. Biennial.]

Occurring once in five years, or at the end of every five years; also, lasting five years. A quinquennial event.

 

© Webster 1913.

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