plow·share /ˈplaʊˌʃɛr, ˌʃær/
犁頭
Plow·share, Plough·share n. The share of a plow, or that part which cuts the slice of earth or sod at the bottom of the furrow.
Plowshare bone Anat., the pygostyle.
◄ ►
plowshare
n : a sharp steel wedge that cuts loose the top layer of soil
[syn: ploughshare, share]