To cook in an oven (colloquial and informal usage only)
A chamber used for baking or heating.
To heat or dry, as in a stove.
To keep warm, in a house or room, by artificial heat.
A hothouse (heated greenhouse).
A heater, a closed apparatus to burn fuel for the warming of a room.
A stovetop, with hotplates.
A device for heating food, (UK) a cooker.