/ Dictionary / Index C cotillion: Meaning and Definition of Find definitions for: co•til•lion Pronunciation: (ku-til'yun, kō-), [key] — n. a formal ball given esp. for debutantes. a lively French social dance originating in the 18th century, consisting of a variety of steps and figures and performed by couples. any of various dances resembling the quadrille. music arranged or played for these dances. a formalized dance for a large number of people, in which a head couple leads the other dancers through elaborate and stately figures. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cotillion (Thesaurus) cotidal cotillon 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