Lingual /(lĭṉ"gwal)/

Lin·gual

Lingual

a.
  1. Of or pertaining to the tongue; uttered by the aid of the tongue; glossal; as, the lingual nerves; a lingual letter.
  2. lying near the tongue; especially, in dentistry, on the surface of the tooth next to the tongue. Contrasted with buccal, the side of a tooth touching the cheek, i. e. the side opposite to the lingual side.

Phrases & Compounds
Lingual ribbon
See Odontophore.

Lingual

n.
  1. 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.