Arsacid

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Ar·sa·cid

A0439350 (är′sə-sĭd, är-sā′-)adj. Of or relating to the Parthian dynasty that ruled Persia and parts of Asia Minor from c. 250 bc until its overthrow in ad 224.n. A member or subject of this dynasty.
[After Arsaces (fl. 250 bc), founder of the dynasty.]