Gnathostegite

1 definition found

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

  Gnathostegite \Gna*thos"te*gite\, n. [Gr. gna`qos the jaw + ? a
     roof.] (Zool.)
     One of a pair of broad plates, developed from the outer
     maxillipeds of crabs, and forming a cover for the other mouth
     organs.
     [1913 Webster]