имя существительное 1) бронзовая военная труба в Древнем Риме 2) туба (духовой музыкальный инструмент)
noun Etymology: Italian, from Latin, trumpet a large low-pitched brass instrument usually oval in shape and having a conical tube, a cup-shaped mouthpiece, and a usual range an octave lower than that of the euphonium • tubaist or tubist noun
An Internet protocol, described in RFC 1347, RFC 1526 and RFC 1561, and based on the OSI Connectionless Network Protocol (CNLP). TUBA is one of the proposals for Internet Protocol Version 6.