/ Dictionary / Index M messaline: Meaning and Definition of Find definitions for: mes•sa•line Pronunciation: (mes"u-lēn', mes'u-lēn"), [key] — n. a thin, soft silk with a twill or satin weave. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Messalina messan Related Content Daily Word Quiz: diurnal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language