Definition of ploughshare in English:

ploughshare

(US plowshare)

noun

  • The main cutting blade of a plough, behind the coulter.

    • ‘‘We need ploughshares and seeds not bombs and martyrs,’ he insisted.’
    • ‘Though they supplied handicraft products essential to the country and society, including ploughshares and spear heads, as well as pots and cloth of all kinds, they tended to be despised by the rest of the population.’
    • ‘The Shearer brothers produced cast-iron ploughshares and from 1888 onwards wrought steel ploughshares.’
    • ‘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.’
    • ‘They made tools, ploughshares, chariots, chain armour, and many more strong and serviceable implements.’

Origin

Late Middle English: from plough + Old English scær, scear ‘ploughshare’(related to shear).

Pronunciation:

ploughshare

/ˈplaʊʃɛː/