\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}.

\Lin"gual\, n.
A consonant sound formed by the aid of the tongue; -- a term
especially applied to certain articulations (as those of t,
d, th, and n) and to the letters denoting them.
Note: In Sanskrit grammar certain letters, as [.t], [.t]h,
      [dsdot], [dsdot]h, [.n], are called linguals,
      cerebrals, or cacuminals. They are uttered with the tip
      of the tongue turned up and drawn back into the dome of
      the palate.