Quinquennial

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Quinquennial \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.
     [1913 Webster]