a. Having three tongues; also, knowing or using three languages, trilingual.
1594. Carew, Huartes Exam. Wits, xi. (1596), 152. The vowels, and phrases of speech hold a very different signification from that which the vulgar and three-tongued men do know.
1690. C. Nesse, O. & N. Test., I. 18. That Doeg aforesaid was trilinguis, three-longued.
1743. Francis, trans. Hor., Odes, III. xi. 22. From his three-tongud Jaws the Poison flowd.
1866. Richmond Weekly Palladium, 18 Jan., 4/2. A three tongued infant has been born in Scotland. Of course its a girl.