Defn: Any leglike appendage of a crustacean, when modified wholly, or in part, to serve as a jaw, esp. one of the maxillipeds.
GNATHOSTEGITE
Gna*thos"te*gite, n. Etym: [Gr. (Zoöl.)
Defn: One of a pair of broad plates, developed from the outer maxillipeds of crabs, and forming a cover for the other mouth organs.
GNATHOSTOMA
Gna*thos"to*ma, n. pl. Etym: [NL., from Gr. (Zoöl.)
Defn: A comprehensive division of vertebrates, including all that have distinct jaws, in contrast with the leptocardians and marsipobranchs (Cyclostoma), which lack them. [Written also Gnathostomata.]
GNATHOTHECA
Gnath`o*the"ca, n.; pl. GnathothecÆ. Etym: [NL., fr. Gr. (Zoöl.)
Defn: The horney covering of the lower mandible of a bird.
GNATLING
Gnat"ling, n. (Zoöl.)
Defn: A small gnat.
GNATWORM
Gnat"worm`, n. (Zoöl.)