What does "ploughshare" mean?

The cutting edge of a plough, typically a metal blade.

What is a synonym for "ploughshare"?

Common synonyms include: share, blade, peace symbol, plowshare, symbol of peace.

Pronounced //ˈplaʊˌʃɛə//.

/ˈplaʊˌʃɛə/ noun

noun ·Rare ·Advanced level

Noun

1
The cutting edge of a plough, typically a metal blade. UK
"Holonyms: plough, plow < implement"
2
a sharp steel wedge that cuts loose the top layer of soil wordnet

"Holonyms: plough, plow < implement"

From plough + share.