from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. The empire ruled by the Achaemenid dynasty 550–330 BCE.
- proper n. The empire ruled by the Sassanid dynasty 224–651 CE.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an empire in southern Asia created by Cyrus the Great in the 6th century BC and destroyed by Alexander the Great in the 4th century BC
Collocation of 'Persian' (as a demonym of Latinate Persia in the sense of Greek Persis, Old Persian Pārsa) and 'empire'. Translates Latin Imperium Persarum, as attested e.g. in the 1st century (e.g. Quintus Curtius Rufus "Life and exploits of Alexander the Great" 3.3.8). (Wiktionary)