coulter or (esp N American) colter /kōlˈtər or (Scot) kooˈtər/

The iron cutter in front of a ploughshare

• engineered
• engineering
• engineerings
• engineers
• engineer's chain
• engineer's chains
• engine-fitter
• engine-fitters
• engineless
• engine-man
• engine-men
• enginer
• engineries
• engine-room
• engine-rooms
• enginers
• enginery
• engines
• engine-turned
• engine-turning
• engining
• engird
• engirding
• engirdle
• engirdled