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

 

aquifer

 noun
noun
BrE BrE//ˈækwɪfə(r)//
 
; NAmE NAmE//ˈækwɪfər//
 
(geology)
 
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a layer of rock or soil that can absorb and hold water Word Origin early 20th cent.: from Latin aqui- (from aqua ‘water’) + -fer ‘bearing’.
See the Oxford Advanced American Dictionary entry: aquifer