Heater

n.	1.	One who, or that which, heats.
	2.	Any contrivance or implement, as a furnace, stove, or other heated body or vessel, etc., used to impart heat to something, or to contain something to be heated.
	3.	A pistol or other carryable firearm; as, gunmen with their heaters bulging in their pockets. Feed heater See under Feed.

Noun	1.	heater - device that heats water or supplies warmth to a room Synonyms: warmer
	2.	heater - (baseball) a pitch thrown with maximum velocity; "he swung late on the fastball"; "he showed batters nothing but smoke" Synonyms: fastball, hummer, bullet, smoke

Bunsen burner, Dutch oven, automatic, bedpan, bloom heater, blowgun, blowpipe, brazier, brick oven, burner, calefactory, caliduct, car heater, cooker, cookery, defroster, dielectric heater, dielectric preheater, electric blanket, electric heater, electronic heater, element, firearm, fireless heater, flamethrower, foot warmer, forge, furnace, gas jet, gas log, gat, geyser, gun, handgun, heat lamp, heating duct, high-frequency heater, hot-water bag, hot-water bottle, hot-water heater, induction heater, infrared heater, infrared lamp, ingot heater, iron heater, jet, kerosene heater, kiln, musket, orchard heater, oven, peashooter, piece, pilot light, pistol, preheater, radiator, radio-frequency heater, register, repeater, revolver, rifle, rod, sawed-off shotgun, shooting iron, shotgun, six-gun, six-shooter, steam pipe, stove, sun lamp, tewel, tuyere, warmer