/ Dictionary / Index M Montmorency: Meaning and Definition of Find definitions for: Mont•mo•ren•cy Pronunciation: (mont"mu-ren'sē Fr. môn-mô-rän-sē'), [key] — n. 1493–1567, French marshal: constable of France 1537. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Montmartre montmorillonite Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language