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Arsăces, is m.,  =  Ἀρσάκης, 
- I. the first king of the Parthians, Just. 41, 5.
- II.  Derivv. 
- A.  Arsăcĭdae, ārum, m. (gen. plur. Arsacidūm, Luc. 10, 51), successors of Arsaces, Tac. H. 1, 40; Luc. 1, 108; 8, 217; 8, 306 al.
- B.  Arsăcĭus, a, um, adj., Arsacian, poet. for Parthian, Mart. 9, 36.