/ Dictionary / Index C cwm: Meaning and Definition of Find definitions for: cwm Pronunciation: (km), [key] — n. cirque (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cwm (Thesaurus) CWA Cwmbran Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language