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See more synonyms for aqueduct on Thesaurus.com
  1. Civil Engineering.
    1. a conduit or artificial channel for conducting water from a distance, usually by means of gravity.
    2. a bridgelike structure that carries a water conduit or canal across a valley or over a river.
  2. Anatomy. a canal or passage through which liquids pass.
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Origin of aqueduct

< Medieval Latin aquēductus < Latin aquae ductus a drawing off of water. See aqua, duct
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

conduit, duct, course, channel, pipeline, waterworks

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British Dictionary definitions for aqueduct


  1. a conduit used to convey water over a long distance, either by a tunnel or more usually by a bridge
  2. a structure, usually a bridge, that carries such a conduit or a canal across a valley or river
  3. a channel in an organ or part of the body, esp one that conveys a natural body fluid
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Word Origin

C16: from Latin aquaeductus, from aqua water + dūcere to convey
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for aqueduct


1530s, from Latin aquaeductus "conveyance of water," from aquae, genitive of aqua "water" (see aqua-), + ductus "a leading, conducting," past participle of ducere "to lead" (see duke (n.)).

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Online Etymology Dictionary, © 2010 Douglas Harper

aqueduct in Medicine


  1. A channel or passage in a body part or an organ.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.