Hypognatous

1 definition found

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

  Hypognatous \Hy*pog"na*tous\, a. [Pref. hypo- + Gr. ? the jaw.]
     (Zool.)
     Having the maxilla, or lower jaw, longer than the upper, as
     in the skimmer.
     [1913 Webster]