/ Dictionary / Index M mouse-ear: Meaning and Definition of Find definitions for: mouse-ear Pronunciation: (mous'ēr"), [key] — n. any of various plants having small, hairy leaves, as the hawkweed, Hieracium pilosella, or the forget-me-not, Myosotis palustris. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mouse-ear (Thesaurus) mouse-dun mouse-ear chickweed 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