lengua viperina

== Spanish == === Etymology === Compare French langue de vipère. === Noun === lengua viperina f (plural lenguas viperinas) (idiomatic) forked tongue === Further reading === “lengua viperina”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025