medallion in WordNet English dictionary

1. an award for winning a championship or commemorating some other event
   decoration  laurel wreath  medal  medallion  palm  ribbon 
   
2. an emblem indicating that a taxicab is registered
   medallion 
   
3. a circular helping of food (especially a boneless cut of meat)
   "medallions of veal"
   medallion 
   
4. any of various large ancient Greek coins
   medallion