coalcutter

From coal +‎ cutter.

coalcutter (plural coalcutters)

1. A device for cutting coal out of the rock face in a coal mine.
   • 1949, Great Britain Ministry of Fuel and Power, Reports of H.M. Inspectors of Mines Under the Coal Mines Act, 1911:

     One was to a coalcutterman who was caught and mutilated by the coalcutter picks whilst the jib was being withdrawn from under the coal.

   • 1955, Reports of H.M. Inspectors of Mines Under the Coal Mines Act, page 14:

     The cutting chain of a longwall coalcutter was reversed in an attempt to free the jib which had become fast, and an assistant coalcutterman was caught by the moving picks.

   • 1967, B. Boky, Mining, page 73:

     In seams dipping at angles of 15 to 25°, the rope passes behind the coalcutter during flitting, and is fixed to the anchor prop 7 (Fig. 456).