Any of various heating systems in which a central source of heat is used to distribute heat (and sometimes hot water) throughout a building in a controlled manner.
A heater, a closed apparatus to burn fuel for the warming of a room.
A hothouse (heated greenhouse).
A stovetop, with hotplates.
A device for heating food, (UK) a cooker.
To keep warm, in a house or room, by artificial heat.
To heat or dry, as in a stove.