diadumenos

from The Century Dictionary.

• noun In Gr. antiquity, a fillet-binder: a name applied to a class of antique marble and bronze statues representing an athlete binding a fillet about his head. They are supposed to be based upon a famous bronze original by the sculptor Polycletus.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A form of Ancient Greek sculpture featuring a young man holding a knotted diadem (as the winner of a contest)