A device that provides heat for a building; a space heater.
A place or time of punishment, affliction, or great trial; severe experience or discipline.
Any area that is excessively hot.
An industrial heating device, e.g. for smelting metal or baking ceramics.
To heat in a furnace.
To exhale like a furnace.
A device that circulates fresh air and expels stale or noxious air.
A machine that moves breathable air into and out of the lungs of a patient who is unable to breathe sufficiently.
Some behaviour or happening that relieves a tense atmosphere or situation.