/ Dictionary / Index M mimosis: Meaning and Definition of Find definitions for: mi•mo•sis Pronunciation: (mi-mō'sis, mī'-), [key] — n. Pathol. mimesis (def. 4). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mimosaceous Mims 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