medallion
n. countablen. a piece of jewelry shaped like a large coin, often worn on a chain around the neck. It can also be a round metal award given to someone for doing something great.
n. a large medal or coin-shaped piece of jewellery, typically worn as a pendant. In architectural or artistic contexts, refers to a circular decorative element or tablet containing a portrait or ornament.
He wore a gold medallion over his black sweater.
The winner of the marathon proudly displayed her bronze medallion to the cheering crowd.
The ceiling of the ballroom was decorated with intricate plaster medallions, each depicting a different scene from classical mythology.
Borrowed from French médaillon.
Commonly used in jewellery contexts or to describe architectural ornaments.