firebox

noun — 3 senses

firebox

noun

Etymology From fire + box. In the sense of a redheaded woman, from box (“vagina”).

1

Rail transport, Railways, Transport The chamber of a steam engine, or a steam locomotive, in which the fuel is burned.

  • The firebox married to Britannia's boiler is not, however, in the Doncaster tradition, notwithstanding that it is comparable in dimensions to that of the "V2." […] Britannia's firebox would appear to have derived from those of the Bulleid Pacifics, which it closely resembles.1951 April, Stirling Everard, “A Matter of Pedigree”, in Railway Magazine, number 600, page 273:
2

The part of a fireplace where the fuel is burned.

3

Slang, Vulgar A redheaded woman or her red pubic hair.

Related terms
red cunt hair

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.