/ Dictionary / Index M MP: Meaning and Definition of Find definitions for: MP Pronunciation: [key] Military Police. Military Policeman. Mounted Police. mp Pronunciation: [key] mezzo piano. M.P. Pronunciation: [key] Member of Parliament. Metropolitan Police. Military Police. Military Policeman. Mounted Police. m.p. Pronunciation: [key] melting point. (in prescriptions) in the manner prescribed; as directed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mp (Thesaurus) mozzetta M.P.A. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language