Webster's 1828 Dictionary
STAMPING
ppr. Impressing with a mark or figure; coining; imprinting.
STAMPING-MILL
n.An engine used in tin works for breaking or bruising ore.
Webster's 1913 Dictionary
STAMPING
STAMPING Stamp "ing, a. & n.
Defn: 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.
New American Oxford Dictionary
stamping ground
stamp ing ground |ˈstæmpɪŋ ˌɡraʊnd | ▶noun another term for stomping ground.
Oxford Dictionary
stamping ground
stamping ground (N. Amer. also stomping ground ) ▶noun a place where someone regularly spends time; a favourite haunt.
Oxford Thesaurus
stamping ground
stamping ground noun activists have turned their attentions north and west of their usual stamping ground: hang-out, haunt, meeting place, territory, domain, purlieu, resort, den, retreat, favourite spot; informal hidey-hole; Brit. informal local, patch, manor.