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coal-work

ˈcoal-work
   1. Drawing in carbon or crayon. Obs.

1651 G. Daniel Eclog. Let., You may iudge Draughts sometimes in Cole-Works, to hit the Naturalitie of Lines Studied by finer Pencills.

  2. A place where coal is worked or mined; a colliery. Usually pl. (Cf. ironworks.)

1665 D. Dudley Metallum Martis (1854) 8 Often fals the cole-works on Fire..flaming out of the Pits. 1710 Lond. Gaz. No. 4705/1 Owners of the Coal-Works. 1853 D. Landale in Pharmac. Jrnl. XIII. 127 Manager of a coal-work.

  So ˈcoal-worker, a coal-miner. ˈcoal-working, a place where coal is worked, a colliery.

1726 Lond. Gaz. No. 6438/2 William Clarke..a Coalworker. 1838 Penny Cycl. XI. 149/2 In the practical department of coal-working, geology can as yet render little aid. 1862 Ansted Hungary & Transylv. 124 (L.) At last we reached the coal-workings, and a more deserted, melancholy-looking place for a mine I have never seen.

Oxford English Dictionary

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