1. (a.) Pertaining to the tongue; as, the lingual nerves\.

2. (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.

accented alveolar apical apico-alveolar apico-dental articulated assimilated back barytone bilabial broad cacuminal central cerebral checked close consonant consonantal continuant dental descriptive dissimilated dorsal enunciated flat front glide glossal glottal glottochronological grammatic graphemic guttural hard heavy high intonated labial labiodental labiovelar lateral lax lexicographic lexicological lexicostatistical light linguiform linguistic lingulate liquid low metalinguistic mid monophthongal morphological morphophonemic muted narrow nasal nasalized nuncupative occlusive open oral oxytone palatal palatalized parol pharyngeal pharyngealized philological phonemic phonetic phonic phonological pitch pitched posttonic pronounced psycholinguistic retroflex rounded said semantic semivowel soft sonant sounded speech spoken stopped stressed strong structural surd syllabic syntactic tense thick throaty tonal tonguelike tonic twangy unaccented unrounded unstressed unwritten uttered velar verbal viva voce vocal vocalic vocalized vocoid voiced voiceful voiceless vowel vowellike weak wide