Source : Webster's Revised Unabridged Dictionary (1913)

Stamping \Stamp"ing\,
   a. & n. from {Stamp}, v.

   {Stamping ground}, a place frequented, and much trodden, by
      animals, wild or domesticated; hence (Colloq.), the scene
      of one's labors or exploits; also, one's favorite resort.
      [U.S.]

   {Stamping machine}, a machine for forming metallic articles
      or impressions by stamping.

   {Stamping mill} (Mining), a stamp mill.

Source : WordNet®

stamping machine
     n : a power tool that stamps; "a metal stamper" [syn: {stamper}]