1. surēna, ae, f., a kind of fish, Varr. L. L. 5, § 77 Müll.
2. surēna, ae, m., among the Parthians, the name of the highest dignitary in the State next to that of the king, the grand vizier, Tac. A. 6, 42 fin.; Amm. 24, 2, 4; 24, 3, 1.