/ Dictionary / Index M Monsignor: Meaning and Definition of Find definitions for: Mon•si•gnor Pronunciation: (mon-sē'nyurIt.môn&secsē-nyôr'), [key] — pl. Mon•si•gnors, Mon•si•gno•ri a title conferred upon certain prelates. a person bearing this title. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: monsignor (Thesaurus) monsieur monsoon Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language