Lewis & Short

Crīsa, ae, f., = Κρῖσα, an ancient town of Phocis, on the sea, now Crisso, Plin. 4, 3, 4, § 8.
Hence, adj.: Crīsaeus, a, um, of Crisa: sinus = κόλπος Κρισαῖος, Plin. 4, 3, 4, § 7.