/ Dictionary / Index C cotillon: Meaning and Definition of Find definitions for: co•til•lon Pronunciation: (ku-til'yun, kō- Fr. kô-tē-yôn'), [key] — pl. -til•lons cotillion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cotillion cotinga Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language