Other forms: plowshares
A plowshare is the cutting blade of a plough. Sharpen the plowshare.
It cuts the soil horizontally while the coulter cuts down, and the mouldboard turns it over. Beating swords into plowshares is the biblical phrase everybody knows the word from.
plowshare is a blade.
Also accepted in games: ploughshare
Old English plog plus scear, a cutting blade, from the same root as shear.
Middle English
plowgh-schare
English, today
plowshare
From Middle English plowgh-schare, plowh schare, equivalent to plow + share. Cognate with stq Plouchskoar (“ploughshare”), West Frisian ploechskaar (“ploughshare”), Dutch ploegschaar (“ploughshare”), German Low German Ploogschoor (“ploughshare”), German Pflugschar (“ploughshare”), Danish plovskær (“ploughshare”), Norwegian plogskjær (“ploughshare”). Eclipsed non-native culter, from culter, borrowed from culter.
Etymology from Wiktionary, CC BY-SA