/ Dictionary / Index M M.R.P.: Meaning and Definition of Find definitions for: M.R.P. Pronunciation: [key] Master in Regional Planning or Master of Regional Planning. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. M roof Mr. Right 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