Gnathotheca

1 definition found

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

  Gnathotheca \Gnath`o*the"ca\, n.; pl. {Gnathothecae}. [NL., fr.
     Gr. gna`qos the jaw + ? a box.] (Zool.)
     The horney covering of the lower mandible of a bird.
     [1913 Webster]