/ Dictionary / Index M mousehole: Meaning and Definition of Find definitions for: mouse•hole Pronunciation: (mous'hōl"), [key] — n. the burrow of a mouse. the entrance to a mouse's burrow. a small hole resembling this. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mousefish mouse opossum Related Content Daily Word Quiz: diurnal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language