Hypertext Webster Gateway: "moldboard"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Moldboard \Mold"board`\, Mouldboard \Mould"board`\, n.
1. A curved plate of iron (originally of wood) back of the
share of a plow, which turns over the earth in plowing.
2. (Founding) A follow board.
From WordNet (r) 1.7 (wn)
moldboard
n : wedge formed by the curved part of a steel plow blade that
turns the furrow [syn: {mouldboard}]
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