The Collaborative International Dictionary of English v.0.48:

Saw \Saw\, v. t. [imp. Sawed; p. p. Sawed or Sawn; p. pr.
   & vb. n. Sawing.]
   1. To cut with a saw; to separate with a saw; as, to saw
      timber or marble.
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   2. To form by cutting with a saw; as, to saw boards or
      planks, that is, to saw logs or timber into boards or
      planks; to saw shingles; to saw out a panel.
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   3. Also used figuratively; as, to saw the air.
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