Bible Dictionary · C
Coulter
(1 Sam 13:20, 1 Sam 13:21), an agricultural instrument, elsewhere called “ploughshare” (Isa 2:4; Mic 4:3; Joel 3:10). It was the facing-piece of a plough, analogous to the modern coulter.
From Easton’s Bible Dictionary (1897), by Matthew George Easton.