Plow'shāre or Plough'shāre, n.

n. [Eng. plow, plough, and A-S. scōr, scear, a plowshare, a shearing, from sceran, to shear, cut; O. H. Ger. scar, scaro, N. H. Ger. pflugschaar.] The part of a plow which cuts the ground at the bottom of the furrow, and raises the slice of earth or sod to the mold-board, which turns it over.