| 释义 |
▪ I. cropping, vbl. n.|ˈkrɒpɪŋ|
[f. crop v. + -ing1.]
The action of the vb. crop.
1. a. The action of polling or pruning; the gathering of the crop, etc.
1616Surfl. & Markh. Country Farme 550 The cropping or gathering of this Maslin. 1705Hickeringill Priestcraft Wks. 1716 III. 193 Answer it all with a cropping of Ears, Pillory [etc.]. 1855Motley Dutch Rep. (1861) I. 229 The cropping of the ears or the slitting of nostrils..practised upon the Puritan fathers of New England. 1870H. Macmillan Bible Teach. iii. 56 Blossoms are often prevented from forming by the cropping of animals.
b. The shearing of cloth; also attrib.
1835Ure Philos. Manuf. 131 The cropping or shearing-machine. Ibid. 197 Shearing, or Cropping, is the next operation. 1888F. Peel Risings of Luddites 10 The old method of finishing by hand, or cropping as it was called.
c. concr. That which is cropped; the wood lopped from trees, etc.
1768Case of Jeffry Ruffle (Erskine v. Ruffle & Brewster) 7 The Defendant..had ten loads of croppings in the same year. 1795Hull Advertiser 10 Oct. 4/1 Green lanes where my poor ass may light of good croppings.
d. Metal-working. The operation of cutting off the ends of an ingot, bar, etc., to remove the pipe and other defects (see also quot. 1904).
1904Goodchild & Tweney Technol. & Sci. Dict. 139/2 Cropping, cutting the ends of bars, rails, etc.; especially cutting iron bars into lengths suitable for making into a fagot. 1930Engineering 21 Mar. 385/2 Piping was avoided, so that no serious amount of cropping was needed. 1968Gloss. Terms Mechanized & Hand Sheet Metal Work (B.S.I.) 7 Cropping, separation of a semi-complete or complete workpiece. Ibid., Cropping tool.
2. The raising of crops from land; also crops collectively.
1806Gazetteer Scot. (ed. 2) 317 The farmers..by incessant cropping, have reduced the land to a sort of caput mortuum. 1861Times 27 Sept., A climate more favourable to the growth of grass and green cropping.
3. Min. and Geol. The rising of strata to the surface; the portion of a stratum which appears on the surface, an out-crop; fig. the act of rising into view or into prominence. Also with up, out.
1679Plot Staffordsh. (1686) 129 Their rise, croping or basseting. 1831J. Hodgson in J. Raine Mem. (1858) II. 210 On a slope of the croppings of the lowest beds of the mountain limestone. 1847Emerson Repr. Men, Shaks. Wks. (Bohn) I. 355 The cropping out of the original rock.
4. Comb., as cropping shears = crocodile shears.
1873Spon's Dict. Engin. VI. 2122 Two pairs of cropping shears at 55 revolutions a minute. 1884W. H. Greenwood Steel & Iron xvi. 348 The crocodile, cropping, or alligator shears.
▪ II. ˈcropping, ppl. a.
[-ing2.]
That crops (in various senses of the verb).
1851Beck's Florist Sept. 197 Natural cropping clefts, and romantic rocky spots. 1888Daily News 17 Oct. 4/5 The best cropping apple in existence is Keswick. |