/ Dictionary / Index M M.U.P.: Meaning and Definition of Find definitions for: M.U.P. Pronunciation: [key] Master of Urban Planning. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. muon-neutrino mura Related Content Daily Word Quiz: verbose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language