Gnathidia

1 definition found

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

  Gnathidium \Gna*thid"i*um\, n.; pl. {Gnathidia}. [NL., fr. Gr.
     gna`qos the jaw.] (Zool.)
     The ramus of the lower jaw of a bird as far as it is naked;
     -- commonly used in the plural.
     [1913 Webster]