Lingua \Lin"gua\ (l[i^][ng]"gw[.a]), n.; pl. {Lingu[ae]}
(l[i^][ng]"gw[=e]). [L., the tongue.] (Zool.)
(a) A tongue.
(b) A median process of the labium, at the under side of the
mouth in insects, and serving as a tongue.
[1913 Webster]