Ploughshare

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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

From WordNet (r) 2.0 [wn]:

  ploughshare
       n : a sharp steel wedge that cuts loose the top layer of soil
           [syn: {plowshare}, {share}]