Definition of Hellenian in US English:

Hellenian

noun

  • A Greek, especially an ancient Greek; a Hellene.

adjective

  • Of or relating to Greece, especially ancient Greece; Hellenic.

Origin

Late 16th century; earliest use found in George Chapman (?1560–1634), poet and playwright. From ancient Greek Ἑλλήνιος Hellenic, Greek (from Ἕλλην + -ιος, suffix forming adjectives) + -an.