Skulls with the gnathic index below 98 are orthognathous, from 98 to 103 mesognathous, and above
103 are prognathous.
Flower. Gnathidium
(||Gna*thid"i*um) n.; pl. Gnathidia [NL., fr. Gr. gna`qos the jaw.] (Zoöl.) The ramus of
the lower jaw of a bird as far as it is naked; commonly used in the plural.
Gnathite
(Gnath"ite) n. [Gr. gna`qos the jaw.] (Zoöl.) Any one of the mouth appendages of the Arthropoda.
They are known as mandibles, maxillæ, and maxillipeds.
Gnathonic
(Gna*thon"ic Gna*thon"ic*al) a. [L. Gnatho, name of a parasite in the "Eunuchus" of Terence,
Gr. hence, a parasite in general.] Flattering; deceitful. [Obs.]
Gnathopod
(Gnath"o*pod) n. [Gr. gna`qos the jaw + -pod.] (Zoöl.) A gnathopodite or maxilliped. See
Maxilliped.
Gnathopodite
(Gna*thop"o*dite) n. (Zoöl,) 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. [Gr. gna`qos the jaw + a roof.] (Zoöl.) 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. [NL., from Gr. gna`qos the jaw + the mouth.] (Zoöl.) A comprehensive
division of vertebrates, including all that have distinct jaws, in contrast with the leptocardians and marsipobranchs
which lack them. [Written also Gnathostomata.]
Gnathotheca
(||Gnath`o*the"ca) n.; pl. GnathothecÆ [NL., fr. Gr. gna`qos the jaw + a box.] (Zoöl.)
The horney covering of the lower mandible of a bird.
Gnatling
(Gnat"ling) n. (Zoöl.) A small gnat.
Gnatworm
(Gnat"worm`) n. (Zoöl.) The aquatic larva of a gnat; called also, colloquially, wiggler.
Gnaw
(Gnaw) v. t. [imp. & p. p. Gnawed (n&addd); p. pr. & vb. n. Gnawing.] [OE. gnawen, AS.
gnagan; akin to D. knagen, OHG. gnagan, nagan, G. nagen, Icel. & Sw. gnaga, Dan. gnave, nage.
Cf. Nag to tease.]
1. To bite, as something hard or tough, which is not readily separated or crushed; to bite off little by little,
with effort; to wear or eat away by scraping or continuous biting with the teeth; to nibble at.
His bones clean picked; his very bones they gnaw.
Dryden. 2. To bite in agony or rage.
They gnawed their tongues for pain.
Rev. xvi. 10.