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[ak-wi-duhkt] /ˈæk wɪˌdʌkt/
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.
Anatomy. a canal or passage through which liquids pass.
< Medieval Latin aquēductus < Latin aquae ductus a drawing off of water. See aqua, duct Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for aqueducts
  • Four of its original aqueducts still bring water to the modern city.
  • They build roads, aqueducts, warm and ventilate houses.
  • They navigate easily through locks and aqueducts steered by a tiller.
  • Ruins of other ancient buildings, aqueducts and catacombs are scattered throughout the old city.
  • Four additional, shorter pipelines run east and west connecting the two aqueducts.
  • Riders must dismount and walk their horses across aqueducts.
  • The water supply system may include pumping stations, aqueducts, and/or distribution mains.
  • Water from upstream reservoirs flows through natural streams to down-stream reservoirs, rather than through aqueducts or tunnels.
British Dictionary definitions for aqueducts


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



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.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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aqueducts in Medicine

aqueduct aq·ue·duct (āk'wĭ-dŭkt')
A channel or passage in a body part or an organ.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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