/ Dictionary / Index C couloir: Meaning and Definition of Find definitions for: cou•loir Pronunciation: (kl-wär' Fr. k-lwar'), [key] — pl. cou•loirs a steep gorge or gully on the side of a mountain, esp. in the Alps. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coulisse coulomb Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language