English

Definition of tap water noun from the Oxford Advanced Learner's Dictionary

 

tap water

 noun
noun
BrE BrE//ˈtæp wɔːtə(r)//
 
; NAmE NAmE//ˈtæp wɔːtər//
 
, NAmE//ˈtæp wɑːtər//
 
[uncountable]
 
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water supplied through pipes to taps/faucets in a building Is the tap water safe to drink?
See the Oxford Advanced American Dictionary entry: tap water