xiphius
Xiph"i*us, n. Etym: [NL., fr. Gr. xi`fos a sword.] (Zoöl.) Defn: A genus of cetaceans having a long, pointed, bony beak, usually two tusklike teeth in the lower jaw, but no teeth in the upper jaw.
Xiph"i*us, n. Etym: [NL., fr. Gr. xi`fos a sword.] (Zoöl.) Defn: A genus of cetaceans having a long, pointed, bony beak, usually two tusklike teeth in the lower jaw, but no teeth in the upper jaw.