plowshare

The cutting blade of a plow; a share.

The share of a plow, or that part which cuts the ground at the bottom of the furrow, and raises the slice to the mold-board, which turns it over; the sock of a plow. See first cut under plow.

In anatomy, the vomer.

The share of a plow, or that part which cuts the slice of earth or sod at the bottom of the furrow.

the pygostyle.

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

a sharp steel wedge that cuts loose the top layer of soil