Mining. Also to buck-work. [Cf. Du. boken, boocken ‘to beat or to strike,’ Hexham.] trans. To break ore very small with a bucker. Cf. BUCKING vbl. sb.4
1683. Pettus, Fleta Min., I. (1686), 243. The flinty copper Oars … may very easily … be buck’d through.
1769. Nat. Hist., in Ann. Reg., 102, note. To buck or buckwork the ore is a technical term among miners for beating or reducing the ore to a small sand.
1846. Specimens Cornish Dial., 22. [He] Trudg’d hum fram Bal fram bucking copper ore.
