TRILINGUAL Meaning of TRILINGUAL in English transcription, транскрипция: [ ˈtraɪˈlɪŋɡwəl ]adj. 1 able to speak three languages, esp. fluently. 2 spoken or written in three languages. øøtrilingualism n. English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012