Definition from Wiktionary, the free dictionary
- Of or relating to the period of the Greek culture, history, or art after the death of Alexander the Great (323 B.C.) to the defeat of Cleopatra and Mark Antony by Octavian (31 B.C.)--though this end-point is often debated.
- Of or relating to a Hellenist.
Derived terms 
Related terms 
of or relating to a period of Greek history