/ Dictionary / Index M messuage: Meaning and Definition of Find definitions for: mes•suage Pronunciation: (mes'wij), [key] — n. Law. a dwelling house with its adjacent buildings and the lands appropriated to the use of the household. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: messuage (Thesaurus) Messrs mess-up Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language