Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

Deucălĭon, ōnis, m., Δευκαλίων, son of Prometheus, king of Phthia, in Thessaly, and husband of Pyrrha. He is famous on account of the deluge sent in his days by Jupiter, and as the progenitor of a new race of men, Ov. M. 1, 318 sq.; Hyg. Fab. 153; Just. 2, 6; Verg. G. 1, 62 al.: nimiae Deucalionis aquae, Deucalion’s deluge, Ov. F. 4, 794; Prop. 2, 32, 53 (3, 30, 53 M.).
Hence, Deucălĭōnēus, a, um, adj., of Deucalion: undae, Ov. M. 7, 356: imbres, Luc. 1, 653: cautes, Col. poet. 10, 67.