Definition of aqueduct noun from the Oxford Advanced Learner's Dictionary

 

aqueduct

 noun
noun
BrE BrE//ˈækwɪdʌkt//
 
; NAmE NAmE//ˈækwɪdʌkt//
 
 
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a structure for carrying water, usually one built like a bridge across a valley or low ground Word Origin mid 16th cent.: from obsolete French (now aqueduc), from Latin aquae ductus ‘conduit’, from aqua ‘water’ + ducere ‘to lead’.
See the Oxford Advanced American Dictionary entry: aqueduct