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.
© Webster 1913.