/ Dictionary / Index Q quintefoil: Meaning and Definition of Find definitions for: quinte•foil Pronunciation: (kwint'foil"), [key] — n. cinquefoil (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quinte quinternion Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language