Breadcrumb Home > Dictionary > Index C coheiress: Meaning and Definition of Find definitions for: co•heir•ess Pronunciation: (kō-âr'is), [key] — n. a joint heiress. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coheir Cohen ✖ Related Content Daily Word Quiz: donnybrook Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language