Definition of "quinquennium" []

• A period of five years. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "As Nafta begins its second quinquennium, much remains to be achieved and much remains to be said."
• "Anno gratis 1231, mense ver� Iulio, Petrus Wintoniensis episcopus, completo in terra sancta iam fere per quinquennium magnifice peregrinationis voto, reuersus est in Angliam, Kalendis"
• "Net capital formation was very steady over the quinquennium"