Source : Webster's Revised Unabridged Dictionary (1913)

Greco-Roman \Gre"co-Ro"man\, a.
   Having characteristics that are partly Greek and partly
   Roman; as, Greco-Roman architecture.

Source : WordNet®

Greco-Roman
     adj : characteristic of the ancient Greek and Roman cultures [syn:
            {Graeco-Roman}, {Hellenic}]