( 1 Samuel 13:20 1 Samuel 13:21 ), an agricultural instrument, elsewhere called "ploughshare" ( Isaiah 2:4 ; Micah 4:3 ; Joel 3:10 ). It was the facing-piece of a plough, analogous to the modern coulter.

These dictionary topics are from
M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition,
published by Thomas Nelson, 1897. Public Domain, copy freely.