![Etruscan Breastplate.](https://www.langantiques.com/university/wp-content/uploads/2017/08/Etruscan_1.jpg)
A synonym for Repoussé. Embossing means creating a relief by raising the surface of sheet gold from the back. The term embossing is often used to indicate a certain mechanized way of working like using a die in contrast to Repoussé which is done with punches and hammers.
The image depicts an Etruscan breastplate with a relief created by embossing: