tuba
US /ˈtuː.bə/
UK /ˈtuː.bə/

1.
tuba
a large brass wind instrument of bass pitch, with a large bell and valves, the lowest-pitched instrument in the brass family
:
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The deep sound of the tuba resonated through the concert hall.
El sonido profundo de la tuba resonó en la sala de conciertos.
•
He learned to play the tuba in high school.
Aprendió a tocar la tuba en la escuela secundaria.