Xiphius

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Xiphius \Xiph"i*us\, n. [NL., fr. Gr. xi`fos a sword.] (Zool.)
     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.
     [1913 Webster]