From WordNet (r) 2.0 (August 2003) [wn]:
glossa
n : a mobile mass of muscular tissue covered with mucous
membrane and located in the oral cavity [syn: tongue,
lingua, clapper]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Glossa \Glos"sa\, n.; pl. {Gloss[ae]}. [NL., fr. Gr. ? the
tongue.] (Zool.)
The tongue, or lingua, of an insect. See Hymenoptera.
[1913 Webster]