Definitions

1. noun

A compartment or chamber in a furnace or boiler where fuel is burned.

“The engineer checked the firebox of the old locomotive before starting it up.”

2. noun

A device, such as an electric oven, in which food is cooked by radiant heat.

“The chef preheated the firebox to cook the perfect steak.”

3. noun

A compartment or box containing a fire, such as a fireplace or a stove.

“The firebox in the living room was a beautiful focal point for the room.”