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

The iron cutter in front of a ploughshare

• ballsy
• ball up
• ballup
• ball valve
• ball valves
• bally
• ballyhoo
• ballyhooed
• ballyhooing
• ballyhoos
• ballyrag
• ballyragged
• ballyragging
• ballyrags
• balm
• balmacaan
• balmacaans
• bal masqué
• balm-cricket
• balm-crickets
• balmed
• Balmer series
• balmier
• balmiest
• balmily