Tuba (noun)

A large brass instrument with a wide bell and a deep pitch, typically played in orchestras, bands, and military bands.

Origin:

From the latin word "tuba" meaning "a trumpet".

Examples:

1. The tuba player was the largest member of the band.
2. The tuba is the lowest-pitched instrument in the brass family.
3. The tuba provides the bass line in many bands and orchestras.
4. The tuba is played by buzzing the lips into a large cup-shaped mouthpiece.
5. The tuba is not a commonly played instrument in jazz music.