Lewis Short
Sīris (noun M) : Σίρις.
* The name of a branch of the Nile in Ethiopia, Plin. 5, 9, 10, § 54; Prisc. Perieg. 212.
* A river in Italy, Plin. 3, 11, 15, § 97.
* A name for Heraclea in Magna Graecia, Plin. 3, 11, 15, § 97.
Charlton T. Lewis, Charles Short, A Latin Dictionary