Source : Webster's Revised Unabridged Dictionary (1913)

Athenian \A*the"ni*an\, a. [Cf. F. Ath['e]nien.]
   Of or pertaining to Athens, the metropolis of Greece. -- n. A
   native or citizen of Athens.

Source : WordNet®

Athenian
     adj : of or relating to or characteristic of Athens or its
           inhabitants
     n : a resident of Athens