'Repoussage' definitions:

Definition of 'Repoussage'

From: GCIDE

Repoussage \Re*pous`sage"\, n. [F. See Repouss['e].] (Art) Art or process of hammering out or pressing thin metal from the reverse side: (1) in producing repouss['e] work; (2) in leveling up any part of an etched plate that has been worked so as to cause a depression. [Webster 1913 Suppl.]