/ Dictionary / Index A abbess: Meaning and Definition of Find definitions for: ab•bess Pronunciation: (ab'is), [key] — n. a woman who is the superior of a convent of nuns. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: abbess (Thesaurus) Abbe number Abbeville Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language