/ Dictionary / Index D drainpipe: Meaning and Definition of Find definitions for: drain•pipe Pronunciation: (drān'pīp"), [key] — n. a large pipe that carries away the discharge of waste pipes, soil pipes, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: drainpipe (Thesaurus) drainless drainspout Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language