A large round pendant is an example of a medallion.
- An oval or circular design used as decoration.
- A painting or an engraving set in an oval or circular frame.
- A circular portion of food, especially a boneless cut of meat.Medallions of veal.
Origin of medallion
- French médaillon from Italian medaglione augmentative of medaglia medal from Old Italian medal
From American Heritage Dictionary of the English Language, 5th Edition