Pronunciation: (kwin-kwen'ē-ul, kwing-), [key]
1. of or lasting for five years.
2. occurring every five years.
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.