hot-water bag

[ hot-waw-ter, -wot-er ]
/ ˈhɒtˈwɔ tər, -ˈwɒt ər /

noun

a bag, usually of rubber, for holding hot water to apply warmth to some part of the body, as the feet.
Also called hot-water bottle.

Example sentences from the Web for hot-water bottle

  • I held my peace at the time, but I asked Cécile a little later to bring me that hot-water-bottle.

  • Hot-water-bottle time had scarcely come yet, but hospitality might refer to it.

    When Ghost Meets Ghost |William Frend De Morgan

British Dictionary definitions for hot-water bottle

hot-water bottle

noun

a receptacle, now usually made of rubber, designed to be filled with hot water, used for warming a bed or parts of the body