Breadcrumb Home > Dictionary > Index Q quinquennium: Meaning and Definition of Find definitions for: quin•quen•ni•um Pronunciation: (kwin-kwen'ē-um, kwing-), [key] — pl. -quen•ni•ums, -quen•ni•a a period of five years. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quinquennium (Thesaurus) quinquennial quinquepartite TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: supertonic Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language