firehole

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English

Etymology

From fire +‎ hole.

Noun

firehole (plural fireholes)

  1. (rail transport) An opening fitted with a door, giving access to the firebox of a steam locomotive, through which coal can be shovelled and the fire tended.
    • 1961 March, ""Balmore"", “Driving and firing modern French steam locomotives”, in Trains Illustrated, page 150:
      A rolling grate in two sections is fitted; there are two injectors and an A.C.F.I. pump, and the usual firehole door.