What is "mouldboard"

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.

n. 1 A curved blade on a plough that serves to turn over the furrow 2 (context founding English) A follow board.

n. wedge formed by the curved part of a steel plow blade that turns the furrow [syn: moldboard]