The Collaborative International Dictionary of English v.0.48:

Stamping \Stamp"ing\,
   a. & n. from Stamp, v.
   [1913 Webster]

   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;
      in this sense, often called stomping ground. [U.S.]

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

   Stamping mill (Mining), a stamp mill.
      [1913 Webster]

WordNet (r) 3.0 (2006):

stamping ground
    n 1: a frequently visited place [syn: haunt, hangout,
         resort, repair, stamping ground]

Moby Thesaurus II by Grady Ward, 1.0:

30 Moby Thesaurus words for "stamping ground":
   ambit, bailiwick, baths, casino, club, clubhouse, constituency,
   footing, gambling house, gathering place, hangout, haunt,
   health resort, home, locality, meeting place, orbit, purlieu,
   rallying point, range, rendezvous, resort, site, spa,
   sphere of influence, springs, territory, turf, vantage,
   watering place



U.S. Gazetteer Places (2000):

Stamping Ground, KY -- U.S. city in Kentucky
   Population (2000):    566
   Housing Units (2000): 245
   Land area (2000):     0.636280 sq. miles (1.647957 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.636280 sq. miles (1.647957 sq. km)
   FIPS code:            73038
   Located within:       Kentucky (KY), FIPS 21
   Location:             38.271772 N, 84.684402 W
   ZIP Codes (1990):     40379
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Stamping Ground, KY
    Stamping Ground