Crāthis

ĭdis, m.
I. 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.
Lewis & Short
A Latin Dictionary, 1879
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