*lingual*

a. [ L. bilinguis; bis twice + lingua tongue, language. ] Containing, or consisting of, two languages; expressed in two languages; as, a bilingual inscription; a bilingual dictionary. -- Bi*lin"gual*ly, adv. [1913 Webster]

n. Quality of being bilingual. [ 1913 Webster ]

The bilingualism of King's English. Earle. [ 1913 Webster ]

a. Having, or pertaining to, the same language. [ 1913 Webster ]

a. [ L. dens tooth + E. lingual. ] Produced by applying the tongue to the teeth or to the gums; or representing a sound so formed. -- n. A dentilingual sound or letter. [ 1913 Webster ]

The letters of this fourth, dentilingual or linguidental, class, viz., d, t, s, z, l, r. Am. Cyc. [ 1913 Webster ]

a. Dentilingual. [ 1913 Webster ]

a. [ L. fissus (p. p. of findere to split) + E. lingual. ] (Zool.) Having the tongue forked. [ 1913 Webster ]

a. [ L. lingua tongue: cf. F. lingual. See Tongue, and cf. Language. ] 1. Of or pertaining to the tongue; uttered by the aid of the tongue; glossal; as, the lingual nerves; a lingual letter. [ 1913 Webster ]

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. [ PJC ]

Lingual ribbon. (Zool.) See Odontophore. [ 1913 Webster ]

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. [ 1913 Webster ]

☞ 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. [ 1913 Webster ]

n. The quality of being lingual. [ 1913 Webster ]

adj. Using or knowing only one language; as, monolingual speakers; a monolingual dictionary. Opposite of multilingual. [ WordNet 1.5 ]

a. [ Pref. sub + lingual: cf. F. sublingual. ] (Anat.) (a) Situated under the tongue; as, the sublingual gland. (b) Of or pertaining to the sublingual gland; as, sublingual salvia. [ 1913 Webster ]