/ Dictionary / Index T tailrace: Meaning and Definition of Find definitions for: tail•race Pronunciation: (tāl'rās"), [key] — n. the race, flume, or channel leading away from a waterwheel or the like. the channel for conducting tailings or refuse away in water. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tailrace (Thesaurus) tail plane tails Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language