The Collaborative International Dictionary of English v.0.48:

Xylography \Xy*log"ra*phy\, n. [Xylo- + -graphy: cf. F.
   xylographie.]
   [1913 Webster]
   1. The art of engraving on wood.
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   2. The art of making prints from the natural grain of wood.
      --Knight.
      [1913 Webster]

   3. A method pf printing in colors upon wood for purposes of
      house decoration. --Ure.
      [1913 Webster]