transitive. To work under.

transitive. To break ore very small with a bucker. Cf. bucking, n.4

transitive. Mining. Chiefly with out. To deposit (coal, as it is drawn up from a mine) into a heap at the mouth of the pit; to treat a pit in…

to furnish with a bunding.

To treat (a mineral, etc.) with great heat.

transitive. Mining. To ram home (the charge) in a bore-hole. Also absol.

transitive. To strike (the wall of a coal-pit) as a signal or to ascertain the thickness of the wall.

transitive. See quot. 1883. (Chiefly with out.)

transitive. To prop up or sustain (esp. coal in a mine) with a sprag or sprags.

northern dialect. To transport or convey (= drive, v. 7d; e.g., to drive a cart, drive coal). spec. in Coal Mining, To transport (the coal) from the…

Mining (chiefly Australian and New Zealand). Now chiefly historical. transitive. To excavate or work (a hole, mine, claim, etc.) to the level of a…

Mining slang. To make (a mine) appear to be a paying one by fraudulently introducing rich ore, etc., into it, sprinkling gold dust in it, etc. Also…

transitive. U.S. Mining. To wash away, out (dirt, waste material, etc.) by means of a jet of water from a pipe. Cf. piping, n.2 3. Obsolete.

Mining. transitive. To crush or grind into fragments or powder, esp. as part of the process of dressing an ore.

To push (a tram or wagon) to and from the shaft in a mine.

transitive. To cut (mineral ground) in stopes; to excavate horizontally, layer after layer; to extract (ore) by this process. Also with out. Also a…

transitive. To insert (a cutting device) into a coalface or rock face. Occasionally also intransitive: to enter or make a cut in a coalface or rock…

(transitive) to inspect (coal) and free it from stones and rubbish; hence crow-picker.

transitive. Mining. To heap up (ore, coal, etc.) in piles at the surface.

transitive. To grade (coal) as meeting a defined standard (only in passive). Also intransitive (with out): (of coal) to meet a defined standard.