Source : Webster's Revised Unabridged Dictionary (1913)

Medalist \Med"al*ist\, n. [Cf. F. m['e]dailliste, It.
   medaglista.] [Written also {medallist}.]
   1. A person that is skilled or curious in medals; a collector
      of medals. --Addison.

   2. A designer of medals. --Macaulay.

   3. One who has gained a medal as the reward of merit.

Source : WordNet®

medallist
     n 1: someone who has won a medal [syn: {medalist}]
     2: (golf) the winner at medal play of a tournament [syn: {medalist},
         {medal winner}]