TUBA Meaning of TUBA in English transcription, транскрипция: [ ˈtju:bə ]n. (pl. tubas) 1 a a low-pitched brass wind instrument. b its player. 2 an organ stop with the quality of a tuba. [It. f. L, = trumpet] English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012