Definition of tuba noun from the Oxford Advanced Learner's Dictionary

 

tuba

 noun
noun
BrE BrE//ˈtjuːbə//
 
; NAmE NAmE//ˈtuːbə//
 
Musical instruments
 
jump to other results
a large brass musical instrument that you play by blowing, and that produces low notes See related entries: Musical instruments Word Origin mid 19th cent.: via Italian from Latin, ‘trumpet’.
See the Oxford Advanced American Dictionary entry: tuba