# fire box

> English word · Noun

## Definitions
1. The hearth of a metal-forging shop; the forge of a smithy.
2. An enclosed hearth with hatch for refueling that is attached to or built into a boiler that supplies steam for mechanical power.
3. The internal hearth of a furnace, stove, or heater.
4. The hearth of an outdoor grill.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/fire-box