a piece of jewellery in the shape of a large, flat coin worn on a chain around the neck (状似大奖章的)项链垂饰 Topics Clothes and Fashionc2Word Originmid 17th cent.: from French médaillon, from Italian medaglione, augmentative of medaglia, from medieval Latin medalia ‘half a denarius’ (ancient Roman silver coin), from Latin medialis ‘medial’.