- tu|ba
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1. a large, brass wind musical instrument that is low in pitch; bass horn.2. a very powerful, 8-foot, organ reed stop.3. a long, straight war trumpet of the ancient Romans.╂[< Latin tuba war trumpet]tu|ba2 «TOO bah, too BAH», noun.an alcoholic drink of the Philippines, made of the fermented sap of the coconut palm.╂[< Malay tuba]
Useful english dictionary. 2012.