The main cutting blade of a plough, behind the coulter.
More example sentences
- Heavier plows with wheels, horizontal plowshares, and a moldboard were invented, which cut down on manual labor.
- Each day I must yoke the oxen and fasten the ploughshare to the plough.
- The Shearer brothers produced cast-iron ploughshares and from 1888 onwards wrought steel ploughshares.
Definition of ploughshare in:
- The US English dictionary