Definition from Wiktionary, the free dictionary
See also: fire box
firebox (plural fireboxes)
- (rail transport) The chamber of a steam engine, or a steam locomotive, in which the fuel is burned.
- The part of a fireplace where the fuel is burned.
- (vulgar) A redheaded woman (by synecdoche, pars pro toto), or her red pubic hair, from box (“vagina”).
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