moldboard
Mold"board`, 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) Defn: A follow board.
Mold"board`, 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) Defn: A follow board.