An industrial heating device, e.g. for smelting metal or baking ceramics.
A place or time of punishment, affliction, or great trial; severe experience or discipline.
Any area that is excessively hot.
A device that provides heat for a building; a space heater.
To heat in a furnace.
To exhale like a furnace.
A small saucepan, often coated with Teflon etc, having a wide lip; typically used to heat milk for drinks