/ Dictionary / Index M messin: Meaning and Definition of Find definitions for: mes•sin Pronunciation: (mes'un), [key] — n. Scot. messan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. messily Messina Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language