Definition of hot-water bottle in English:
 hot-water bottle
(US hot-water bag)
noun ˌhɒtˈwɔːtə ˌbɒt(ə)lˌhɑt ˈwɔdər ˌbɑdl
A flat, oblong container, typically made of rubber, that is filled with hot water and used for warmth, especially for warming a bed.
 Example sentencesExamples
-  Early in 1929, Dorothy accidentally burned Jane with a hot-water bottle.
 -  Use a hot-water bottle, or warm a sock filled with grain or flaxseed heated to a comfortably warm temperature in the microwave or oven.
 -  Exhausted by my travels, and comforted by a hot-water bottle found unexpectedly in my bed, I have overslept.
 -  We're warm now, and hot-water bottles are no more.
 -  From time to time, someone would bring me a hot-water bottle.