coul·ter /ˈkoltɚ/
犁刀
Col·ter n. A knife or cutter, attached to the beam of a plow to cut the sward, in advance of the plowshare and moldboard. [Written also coulter.]
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Coul·ter n. Same as Colter.
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coulter
n : a sharp steel wedge that precedes the plow and cuts
vertically through the soil [syn: colter]
Coulter
(1 Sam. 13:20, 21), an agricultural instrument, elsewhere called
"ploughshare" (Isa. 2:4; Micah 4:3; Joel 3:10). It was the
facing-piece of a plough, analogous to the modern coulter.