/ Dictionary / Index M Mont-de-Marsan: Meaning and Definition of Find definitions for: Mont-de-Mar•san Pronunciation: (mônd-mar-sän'), [key] — n. a city in and the capital of Landes in SW France. 30,171. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Montclair mont-de-piété* Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language