/ Dictionary / Index R reremouse: Meaning and Definition of Find definitions for: rere•mouse Pronunciation: (rēr'mous"), [key] — pl. -mice. a bat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rerelease rereward Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language