Definition of "ploughshares" [ploughshares]

• Plural form of ploughshare. (noun)

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• "The idea of converting swords into ploughshares is as old as the Bible."
• "In dozens of research centres around the world (with our own Chalk River outstanding among them), nuclear scientists and engineers are forging, with infinite care, the most productive "ploughshares" the world has ever known."
• "In all the ports, navy-yards, machine-shops and foundries of Japan tens of thousands of brown-skinned artisans converted the war-monsters into myriads of useful things such as ploughshares (Goliah insisted on ploughshares), gasoline engines, bridge-trusses, telephone and telegraph wire, steel rails, locomotives, and rolling stock for railways."