01 n. The part (usually an iron or steel plate) of a plow which cuts the ground at the bottom of a furrow; a plowshare.
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1.
The part (usually an iron or steel plate) of a plow which cuts the ground at the bottom of a furrow; a plowshare.
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2.
The part which opens the ground for the reception of the seed, in a machine for sowing seed.