/ Dictionary / Index M Mortimer: Meaning and Definition of Find definitions for: Mor•ti•mer Pronunciation: (môr'tu-mur), [key] — n. and1287–1330, English rebel leader: paramour of Isabella, queen of Edward II of England. a male given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mortimer (Thesaurus) mortify mortise Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language