Meaning of repoussage

re•pous•sage

Pronunciation: (ru-p-säzh'), [key]
— n.
  1. the art or process of working in repoussé.
  2. the flattening of the hollow areas of an etching or engraving plate by hammering it gently on the reverse side.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.