/ Dictionary / Index C cochairman: Meaning and Definition of Find definitions for: co•chair•man Pronunciation: (kō-châr'mun), [key] — pl. -men. one of two or more joint chairmen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cochair cochairperson Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language