1. Wedge formed by the curved part of a steel plough blade that turns the furrow
   "The farmer adjusted the mouldboard to achieve the right ploughing depth";
   - moldboard [N. Amer]

Derived forms: mouldboards

Type of: wedge

Part of: moldboard plow [N. Amer], mouldboard plough [Brit, Cdn]

Encyclopedia: Mouldboard