Definition of "Achaemenid"

Achaemenid

/əˈkiːmənɪd/

adjective
not comparable
1. Relating to the dynasty which ruled the Persian empire c. 550–330 BCE (the Achaemenid Empire), founded by Achaemenes.
noun
plural Achaemenids or Achaemenidae or Achaemenides
1. A member of the dynasty which ruled the Persian empire c. 550–330 BCE (the Achaemenid Empire).