plowshare bone

1 definition found

plowshare bone - Collaborative International Dictionary of English v.0.48 :

  Plowshare \Plow"share`\, Ploughshare \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.
     [1913 Webster]
  
     Plowshare bone (Anat.), the pygostyle.
        [1913 Webster] Plowtail