/ Dictionary / Index T tailpipe: Meaning and Definition of Find definitions for: tail•pipe Pronunciation: (tāl'pīp"), [key] — n. an exhaust pipe located at the rear of a motor vehicle or aircraft powered by an internal-combustion engine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tailpipe (Thesaurus) tailpiece tail plane 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