Vermilinguia \Ver`mi*lin"gui*a\, n. pl. [NL., fr. L. vermis worm + lingua tongue.] [Called also {Vermilingues}.] (Zo["o]l.) (a) A tribe of edentates comprising the South American ant-eaters. The tongue is long, slender, exsertile, and very flexible, whence the name. (b) A tribe of Old World lizards which comprises the chameleon. They have long, flexible tongues.