cīris

is, f.
I. a bird (acc. to Hyg. Fab. 198, a fish = κίρρις, Etym. M.), into which Scylla, the daughter of Nisus, was changed, Ov. M. 8, 151; Verg. Cir. 488 sq.
Lewis & Short
A Latin Dictionary, 1879
An open-access project