/ Dictionary / Index A Achaemenian: Meaning and Definition of Find definitions for: Ach•ae•me•ni•an Pronunciation: (ak"u-mē'nē-un), [key] — adj. 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. Achaemenes Achaemenid Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language