/ Dictionary / Index M Messiaen: Meaning and Definition of Find definitions for: Mes•siaen Pronunciation: (mes-yän'), [key] 1908–92, French composer and organist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mess hall Messiah Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language