Source : Webster's Revised Unabridged Dictionary (1913)

Olympic \O*lym"pic\, or Olympian \O*lym"pi*an\, games \games\ .
   A modified revival of the ancient Olympian games, consisting
   of international athletic games, races, etc., now held once
   in four years, the first having been at Athens in 1896.

Olympian \O*lym"pi*an\ (-an), Olympic \O*lym"pic\ (-p[i^]k), a.
   [L. Olympius, Olympicus, Gr. 'Oly`mpios, 'Olympiko`s, fr.
   'O`lympos: cf. F. olympique. See {Olympiad}.]
   Of or pertaining to Olympus, a mountain of Thessaly, fabled
   as the seat of the gods, or to Olympia, a small plain in
   Elis.

   {Olympic games}, or {Olympics} (Greek Antiq.), the greatest
      of the national festivals of the ancient Greeks,
      consisting of athletic games and races, dedicated to
      Olympian Zeus, celebrated once in four years at Olympia,
      and continuing five days.

Source : WordNet®

Olympian
     adj 1: of the region of Olympia in Greece or its inhabitants;
            "Olympian plain" [syn: {Olympic}]
     2: of or pertaining to the greater gods of ancient Greece whose
        abode was Mount Olympus; "Olympian deities"
     3: majestic in manner or bearing; superior to mundane matters;
        "his majestic presence"; "olympian detachment"; "olympian
        beauty and serene composure" [syn: {majestic}]
     4: far beyond what is usual in magnitude or degree; "a night of
        exceeding darkness"; "an exceptional memory"; "olympian
        efforts to save the city from bankruptcy"; "the young
        Mozart's prodigious talents" [syn: {exceeding}, {exceptional},
         {prodigious}, {surpassing}]

Olympian
     n 1: an athlete who participates in the Olympic games
     2: a classical Greek god after the overthrow of the Titans
        [syn: {Olympic god}]