DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Planing \Plan"ing\,
      a. & vb. n. fr. Plane, v. t.
      [1913 Webster]
      Planing machine.
      (a) See Planer.
      (b) A complex machine for planing wood, especially boards,
          containing usually a rapidly revolving cutter, which
          chips off the surface in small shavings as the piece to
          be planed is passed under it by feeding apparatus.
          [1913 Webster]