alcўŏnēus and
alcўŏnēus and -nĭus (halc-), a, um, adj. Alcyone, pertaining to Alcyone or alcyon (v. alcedo). Alcyonei dies = alcedonia (q. v.), Col. 11, 2.— Alcyoneum medicamen, or absol.: alcўŏnēum, i, n., or even alcўŏnĭum. sea-foam, used as a remedy for spots on the face: alcyoneo utuntur ad oculorum cicatrices, Plin. 32, 8, 27, § 86; cf. Cels. 5, 6, 18, n. 26.