Illustration of tuba
: 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
Examples of tuba in a Sentence
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The euphonium, a tenor tuba, shifts among moods solemn, restless, agitated, triumphant and reflective.
—
Scott Cantrell, Dallas Morning News, 23 Jan. 2026
Banda Los Sebastianes, led by Saúl Plata, delivers a powerful sound with its drums, trumpets and tuba, paving the way for the compelling performance of Gerardo Coronel, the master of heartbreak.
—Natalia Cano, Billboard, 16 Jan. 2026
In 1977, Rivers first began playing music in middle school, beginning with tuba because his friend, future Limp Bizkit drummer John Otto, played jazz drums.
—Jem Aswad, Variety, 19 Oct. 2025
As protesters chanted and spoke into a microphone, tuba player Yehuda Serotta punctuated sentences and chants with the horn slung across his body.
—Seth Klamann, Denver Post, 11 Oct. 2025
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Scott Cantrell, Dallas Morning News, 23 Jan. 2026
Banda Los Sebastianes, led by Saúl Plata, delivers a powerful sound with its drums, trumpets and tuba, paving the way for the compelling performance of Gerardo Coronel, the master of heartbreak.
—Natalia Cano, Billboard, 16 Jan. 2026
In 1977, Rivers first began playing music in middle school, beginning with tuba because his friend, future Limp Bizkit drummer John Otto, played jazz drums.
—Jem Aswad, Variety, 19 Oct. 2025
As protesters chanted and spoke into a microphone, tuba player Yehuda Serotta punctuated sentences and chants with the horn slung across his body.
—Seth Klamann, Denver Post, 11 Oct. 2025
See All Example Sentences for tuba
Cite this Entry
“Tuba.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tuba. Accessed 28 Jan. 2026.
Copy CitationKids Definition
tuba
noun
tu·ba
ˈt(y)ü-bə 
: a brass musical instrument of lowest pitch with an oval shape and valves for producing different tones
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