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Noun: hot-water bottle
  1. A stoppered receptacle (usually made of rubber) that is to be filled with hot water and used for warming a bed or parts of the body
    "She placed a hot-water bottle at her feet to stay warm on the cold night";
    - hot-water bag [N. Amer], hottie [informal], hotty [informal]

Derived forms: hot-water bottles

Type of: receptacle

Encyclopedia: Hot-water bottle