/ak"wi dukt'/ , n.
1. Civ. Eng.
a. a conduit or artificial channel for conducting water from a distance, usually by means of gravity.
b. a bridgelike structure that carries a water conduit or canal across a valley or over a river.
2. Anat. a canal or passage through which liquids pass.
[ aqueductus aquae ductus a drawing off of water. See AQUA, DUCT ]