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Meaning of quinquennial

quin•quen•ni•al

Pronunciation: (kwin-kwen'ē-ul, kwing-), [key]
— adj.
  1. of or lasting for five years.
  2. occurring every five years.
—n.
  1. something that occurs every five years.
  2. a fifth anniversary.
  3. a five-year term in office.
  4. a quinquennium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.