Lewis Short
Crāthis (noun M) : Κρᾶθις
* A river in Magna Graecia, whose water was said to redden the hair, now Crati or Gratti, Plin. 3, 11, 15, § 97; 31, 2, 9, § 13; 31, 2, 10, § 14; Ov. M. 15, 315; id. F. 3, 581.
Charlton T. Lewis, Charles Short, A Latin Dictionary