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aqueduct

aq·ue·duct [ ákwə dùkt ] (plural aq·ue·ducts)


noun 
Definition:
 
1. channel for water: a pipe or channel for moving water to a lower level, often across a great distance

2. structure carrying canal: a structure in the form of a bridge that carries a canal across a valley or river

3. anatomy channel carrying fluid in body: a channel in an organ or body part through which fluid passes

[Mid-16th century. Via medieval Latin aqueductus< Latin aquae ductus "water conveyance"]
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