from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to the Parthian dynasty that ruled Persia and parts of Asia Minor from c. 250 B.C. until its overthrow in A.D. 224.
- n. A member or subject of this dynasty.
from The Century Dictionary and Cyclopedia
- Of or pertaining to the Arsacidæ, rulers of Parthia from about 250 b.c., and afterward of the Parthian empire (see Parthian), till a.d. 226.
After Arsaces (fl. 250 B.C.), founder of the dynasty.(American Heritage® Dictionary of the English Language, Fourth Edition)