plowshare (US) noun
or British ploughshare /ˈplaʊˌʃeɚ/ plural plowshares
or British ploughshare /ˈplaʊˌʃeɚ/ plural plowshares
Learner's definition of PLOWSHARE
[count]
: the part of a plow that digs into the soil犁铧;铧头
beat/turn swords into plowshares
— see sword