from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to a Persian dynasty (A.D. 224-651) and the last line of Persian kings before the Arab conquest. The Sassanian era was marked by wars against Romans, Armenians, and Huns and by the revival of Zoroastrianism and Achaemenid custom.
- n. A member or subject of this dynasty.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. of or pertaining to the Sassanid Dynasty who ruled Persia during 224-651 CE.
- adj. of or pertaining to the empire ruled by that dynasty
- n. member of the Sassanid Dynasty
from The Century Dictionary and Cyclopedia
- Pertaining to the Sassanids.
- n. Same as Sassanid.
After Sassan, ancestor of Ardashir I, founder of the dynasty.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Sassan (“name of the founder of the dynasty”) + -ian. (Wiktionary)