/ Dictionary / Index A aqueduct: Meaning and Definition of Find definitions for: aq•ue•duct Pronunciation: (ak'wi-dukt"), [key] — n. a conduit or artificial channel for conducting water from a distance, usually by means of gravity. a bridgelike structure that carries a water conduit or canal across a valley or over a river. a canal or passage through which liquids pass. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aqueduct (Thesaurus) aqua vitae aqueduct of Sylvius Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language