| 释义 |
ˈbush-hammer U.S.
[prob. ad. Ger. bosz-hammer, in same sense, f. boszen to beat.]
A mason's large breaking hammer, often having square ends cut into pyramidal points; also a hammer for dressing millstones, usually having detachable steel-bits in the dressing face.
1885Harper's Mag. Mar. 558/1 They took the bush-hammer out..that the ladies might see the varieties with five, six, eight, and ten edges, which gave the granite the slightly lined or ridged appearance.
Hence bush-hammer, v. To strike or dress with the bush-hammer.
1884Knight Dict. Mech. Supp. s.v., Rough-pointing, tooth-axing, bush-hammering. Ibid. Sandstone is seldom bush-hammered, as the stunning makes it scale. |