Lingual \Lin"gual\ (l[i^][ng]"gwal), a. [L. lingua tongue: cf. F. lingual. See {Tongue}, and cf. {Language}.] Of or pertaining to the tongue; uttered by the aid of the tongue; glossal; as, the lingual nerves; a lingual letter. {Lingual ribbon}. (Zo["o]l.) See {Odontophore}.