1. A round metal object, usually larger than a coin, cast or struck for commemorative purposes.
Medallion with portraits of Louis XII and Anne of Brittany. 1499. Gilded bronze. Walters Art Museum, Baltimore.
2. A round or oval frame containing a relief or pictorial image, used as decoration on a wall, a floor, or a piece of furniture or equipment.
Medallion with an allegorical figure of Justice, Palazzo Montecitorio, Rome. Photo: Simone Ramella.