Meaning of Achaemenian

Ach•ae•me•ni•an

Pronunciation: (ak"u-mē'nē-un), [key]
— adj.
  1. of or pertaining to the Achaemenids or their language, as recorded in cuneiform inscriptions.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.