medallion

noun

1. A large medal, usually decorative.
2. A cut of meat resembling a large medal.

   “pork medallion”

3. A usually round or oval frame (often made of stucco) containing a decoration.
4. A circular certificate used in some places to register a vehicle, especially a taxicab.
5. A yellowish brown.

verb

1. (poetic, transitive)To mark with, or as with, a medallion or medallions.

   “a sunset that medallioned the eastern sky”