The Latin word for tongue is
lingua

Translations for tongue and their definitions

lingua	©
1. n. (topics, la, Organs) tongue
2. n. a speech
3. n. an utterance or expression
4. n. a language
5. n. a dialect, idiom or mode of speech
6. n. (poetic, of animals) voice, note, song, bark etc.
7. n. (a kind of plant (alternatively called lingulaca))
8. n. the reed of the Roman tibiae
9. n. a small amount of something, e.g. "a tongue of land" or "a spoonful".
10. n. the short arm of a lever

Pronunciation