cīris, is, f., = κεῖρις,
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.
cīris is, f , κεῖρις, a sea - bird, into which Scylla was changed, O. ...
An Elementary Latin Dictionary