Pronunciation: (mu-dal'yun),[key] —n. 1. a large medal.
2. anything resembling a medal in form, used as an ornament, in a design, etc.
3. a permit issued by a governmental agency to operate a taxicab, usually represented by a small metal identification disk displayed on the taxi.
4. Archit. a. a tablet, usually rounded, often bearing objects represented in relief.
b. a member in a decorative design resembling a panel.