firebox

[ fahyuhr-boks ]

Phonetic (Standard)IPA

noun

the box or chamber containing the fire of a steam boiler, furnace, etc.
the furnace of a locomotive, where coal, oil, or other fuel is burned to generate steam.
a box or panel with a device for notifying the fire station of an outbreak of fire.
Obsolete. a tinderbox.

firebox

/ ˈfaɪəˌbɒks /

Origin of firebox¹

First recorded in 1545–55; fire + box ¹

The live cinders from the firebox went up the chimney all night, and fell in showers on deck.

The earliest of the modern steam boilers to come into use was the locomotive fire tube type, with a special firebox.

Crown-sheetThe sheet of steel at the top of the firebox, just under the water in the boiler.

In a locomotive boiler the mud accumulates in the water leg, below the firebox.

Instead, he throws on great shovelsful of coal at a time, and has the coal up to the firebox door.

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