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单词 digger plough
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digger plough
digger plough n. a plough that breaks down the furrow-slice by means of a projecting wing or continuation of the mould-board.
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the world > food and drink > farming > tools and implements > ploughing equipment > [noun] > plough > digger plough
digging plough1891
digger plough1935
1935 Hutchinson's Techn. & Sci. Encycl. I. 38/2 Modern mould-board ploughs fall generally into one or other of two classes: general purpose ploughs..and digger ploughs, which leave the soil flat and broken.
1935 Hutchinson's Techn. & Sci. Encycl. I. 38/2 In the general purpose plough the share is a pointed wedge... In the digger plough the share is wider and steeper and has a concave upper surface.
1960 Farmer & Stockbreeder 23 Feb. 64/2 Both competitors will use two ploughs—a free digger plough on stubble and a semi-digger on a one-year ley.
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