/ Dictionary / Index M margaritaceous: Meaning and Definition of Find definitions for: mar•ga•ri•ta•ceous Pronunciation: (mär"gur-i-tā'shus), [key] — adj. resembling mother-of-pearl; pearly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Margarita margarite Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language