Lin"gual (l&ibreve;&nsm;"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.

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.

&fist; In Sanskrit grammar certain letters, as &tsdot;, &tsdot;h, &dsdot;, &dsdot;h, &nsdot;, 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.

• related to the tongue
  
• related to language or linguistics
  
• (phonetics) articulated with the tongue
  
• (dentistry) Of a lower tooth, on the side facing the tongue. See mesial.
  
• (phonetics) a sound articulated with the tongue