heater - device that heats water or supplies warmth to a roombrasier, brazier - large metal container in which coal or charcoal is burned; warms people who must stay outside for long times convector - a space heater that transfers heat to the surrounding air by convection defroster, deicer - heater that removes ice or frost (as from a windshield or a refrigerator or the wings of an airplane) demister - heater that removes mist from the windshield of a car device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water" heating pad, hot pad - heater consisting of electrical heating elements contained in a flexible pad radiator - heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings solar heater - a heater that makes direct use of solar energy space heater - heater consisting of a self-contained (usually portable) unit to warm a room stove - any heating apparatus |