used as combining form of L. lingua (the correct form would be lingui-) in Linguo-, † linguadental a., of or formed by tongue and teeth; also sb., a sound so formed. (Cf. DENTILINGUAL.) Linguo-, † linguapalatal a., formed by the tongue and palate; also sb.
1668. Wilkins, Real Char., III. xiv. § 2. 374. M must be the first, as being Labial; N next, as being Dental; and then NG, as being Lingua-palatal.
1669. W. Holder, Elem. Speech, 71. T. and D. are Gingival; Th. and Dh. are Linguadental. Ibid., 138. The Labiodentals f, v, which as also the Linguadentals th, dh, he will soon learn by the method before directed.
1817. Duponceau, in Trans. Amer. Philos. Soc. (1818), I. 262. Three linguo-palatals, lamed, ro, nim. Ibid. Four linguo-dentals, as delta, tar, thick, thence.
1828. Webster, Linguadental, an articulation formed by the tongue and teeth.
