heater

US /ˈhiː.t̬ɚ/

UK /ˈhiː.t̬ɚ/

1.

a device that produces heat, typically to warm a room or water

:

•

Turn on the heater; it's cold in here.

•

The water heater needs to be repaired.

:

furnace radiator boiler

2.

a person or thing that heats

:

•

This oven is a great heater for large dishes.

•

The sun is the ultimate heater of our planet.

:

water heater space heater electric heater