/ Dictionary / Index M mousebird: Meaning and Definition of Find definitions for: mouse•bird Pronunciation: (mous'bûrd"), [key] — n. coly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mouse mouse deer 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