Definition of hot-water bottle noun from the Oxford Advanced Learner's Dictionary


hot-water bottle

BrE BrE//ˌhɒt ˈwɔːtə bɒtl//
; NAmE NAmE//ˌhɑːt ˈwɔːtər bɑːtl//
, NAmE//ˌhɑːt ˈwɑːtər bɑːtl//
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a rubber container that is filled with hot water and put in a bed to make it warm
See the Oxford Advanced American Dictionary entry: hot-water bottle