American English

Definition of waterfall noun from the Oxford Advanced American Dictionary

 

waterfall

 noun
noun
NAmE//ˈwɔt̮ərˌfɔl//
 
, NAmE//ˈwɑt̮ərˌfɔl//
 
 
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a place where a stream or river falls from a high place, for example over a cliff or rock
See the Oxford Advanced Learner's Dictionary entry: waterfall