/ Dictionary / Index M mouse deer: Meaning and Definition of Find definitions for: mouse' deer" Pronunciation: [key] chevrotain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mousebird mouse-dun Related Content Daily Word Quiz: maritime Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language