/ Dictionary / Index M muskrat: Meaning and Definition of Find definitions for: musk•rat Pronunciation: (musk'rat"), [key] — pl. -rats, -rat. a large, aquatic, North American rodent, Ondatra zibethica, having a musky odor. its thick, light-brown fur, used for coats, for hats, as a trimming, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: muskrat (Thesaurus) musk plant musk rose Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language