The Collaborative International Dictionary of English v.0.48:

Drawing knife \Draw"ing knife"\, Drawknife \Draw"knife`\, n.
   1. A woodworker`s and joiner's tool having a blade with a
      handle at each end, used to shave off surfaces, by drawing
      it toward one; a shave; -- called also drawshave, and
      drawing shave.
      [1913 Webster]

   2. (Carp.) A tool used for the purpose of making an incision
      along the path a saw is to follow, to prevent it from
      tearing the surface of the wood.
      [1913 Webster]