Glossa: the inner lobe of second maxilla, corresponding to the lacing of first maxilla: loosely used as a synonym for tongue: especially applied to the coiled structure of the Lepidoptera; see also ligula.
Glossarium: Diptera; the labrum-epipharynx; q.v.
Glossata: a Fabrician term for Lepidoptera.
Glossate: furnished with a spiral tongue.
Glossotheca: that part of the pupa which covers the tongue.
Glutinose -ous: slimy; viscid.
Gnathal: relating or pertaining to the jaws.
Gnathite: a jaw or jaw-like appendage; in the plural, the mouth parts.
Gnathochilarium: a plate formed by the labial structures.
Gnathopoda: the arthropods: the first pair of legs; especially applied in crustaceans: mouth feet.