/ Dictionary / Index M Monseigneur: Meaning and Definition of Find definitions for: Mon•sei•gneur Pronunciation: (môn-se-nyœr'), [key] — pl. Mes•sei•gneurs a French title of honor given to princes, bishops, and other persons of eminence. a person bearing this title. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Monsarrat monsieur Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language