- Gnathidia
- Gnathidium Gna*thid"i*um, n.; pl. {Gnathidia}. [NL., fr. Gr. gna`qos the jaw.] (Zo["o]l.) The ramus of the lower jaw of a bird as far as it is naked; -- commonly used in the plural. [1913 Webster]
The Collaborative International Dictionary of English. 2000.