“crab、harrow”的英文意思_释义_用法

单词

crab-harrow

释义

ˈcrab-harrow
[f. crab n.¹ + harrow: cf. E. Fris. krabbe, krab, a small hoe or mattock with bent teeth for tearing up the ground.]
A harrow with bent teeth for thoroughly breaking up deeply ploughed land; its later form is the drag-harrow.
1796Trans. Soc. Enc. Arts XIV. 205, I also find them (that is the wheels with short axle-trees) very useful with my crab-harrow.1806–7A. Young Agric. Essex (1813) I. 147 Ox harrows, heavier and more effective in deep working than the common crab-harrow of the county.1846Jrnl. R. Agric. Soc. VII. i. 51 The lands are dragged with a heavy crab-harrow.
Hence crab-harrow v.
1844Jrnl. R. Agric. Soc. V. i. 34 Scarifying or crab-harrowing with four horses between the ploughings.1846Ibid. VII. i. 511 The lands are..again crab-harrowed, and harrowed with common harrows.

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