pick-moneyn.English regional (north-eastern) Mining (now rare) money paid to have one's pick sharpened.
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1888 W. E. NicholsonGloss. Terms Coal Trade Northumberland & Durham v. 64Pick-money, a sum varying from 1d. to 2d. per week paid by each hewer for the sharpening of his picks.
1894 R. O. HeslopNorthumberland WordsPick-money, pick-pence, the money paid by the hewer to the ‘pick sharper’.