The Collaborative International Dictionary of English v.0.48:

Pounce \Pounce\, v. t. [imp. & p. p. Pounded; p. pr. & vb. n.
   Pouncing.]
   To sprinkle or rub with pounce; as, to pounce paper, or a
   pattern.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pouncing \Poun"cing\, n.
   1. The art or practice of transferring a design by means of
      pounce.
      [1913 Webster]

   2. Decorative perforation of cloth. [Obs.]
      [1913 Webster]