| 释义 |
ˈskim-ˌcoulter Agric.
[f. skim v.]
A coulter fitted with a plate of iron or steel which shaves off the top-layer of the ground and turns it into the furrow.
1797Monthly Mag. Dec. 447/1 Mr. Ducket was the original inventor of the skim-coulter... It consists of a thin plate of iron, with a sharp edge, fixed horizontally to a common coulter. 1803A. Young in Hunter Georg. Ess. III. 163 This is entirely prevented by the skim-coulter, which is applicable to every sort of soil. 1825Cobbett Rural Rides 26 There was a skim coulter that turned the sward in under the furrow. 1881E. A. Ormerod Manual of Injurious Insects 81 A skim-coulter attached to the plough.
b. attrib. in skim-coulter plough; also used as v.
1799A. Young Agric. Linc. 74 Two skim-coulter ploughs, two drill markers. 1832Planting iii. 23 (L.U.K.), To have the surface scarified, horse-hoed, or skim coulter ploughed. 1834Brit. Husb. I. 264 (L.U.K.), Skim-coulter ploughs have been used to obviate this inconvenience.
Hence ˈskim-ˌcoultered a.
1805R. W. Dickson Pract. Agric. I. 542 It may be better to follow the practice adopted in some districts of using a skim-coultered plough. 1812Sir J. Sinclair Syst. Husb. Scot. i. 416 No plough ever yet invented will effect this object so well as a skim coultered plough. |