labiodentalEnglishOxford New American Dictionarylabiodental /ˌlābēōˈden(t)l, ˌleɪbioʊˈdɛn(t)l / ▸ adjective Phonetics (of a sound) made with the lips and teeth, for example f and v. ▸ noun Phonetics a labiodental sound.