Definition of ploughshare in English English dictionary
The share of a plow, or that part which cuts the slice of earth or sod at the bottom of the furrow
plough·share ploughshares in AM, use plowshare If you say that swords have been turned into ploughshares or beaten into ploughshares, you mean that a state of conflict between two or more groups of people has ended and a period of peace has begun