/ Dictionary / Index R redhorse: Meaning and Definition of Find definitions for: red•horse Pronunciation: (red'hôrs"), [key] — n. any of several suckers of the genus Moxostoma, found in the fresh waters of North America, often having reddish fins. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: redhorse (Thesaurus) red hind red-hot Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language