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
Recent Examples on the Web
There’s a horn called the Wagner tuba that sprung from a very specific (to Wagner) acoustic need in his Ring Cycle.
—
Aj Willingham, AJC.com, 13 Mar. 2026
The ever-present tuba, trumpets, clarinets, snare drums and, of course, the tambora drum adorn each of the 10 songs produced by Jesús Tirado.
—Tere Aguilera, Billboard, 13 Mar. 2026
The euphonium, a tenor tuba, shifts among moods solemn, restless, agitated, triumphant and reflective.
—Scott Cantrell, Dallas Morning News, 23 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
See All Example Sentences for tuba
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Aj Willingham, AJC.com, 13 Mar. 2026
The ever-present tuba, trumpets, clarinets, snare drums and, of course, the tambora drum adorn each of the 10 songs produced by Jesús Tirado.
—Tere Aguilera, Billboard, 13 Mar. 2026
The euphonium, a tenor tuba, shifts among moods solemn, restless, agitated, triumphant and reflective.
—Scott Cantrell, Dallas Morning News, 23 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
See All Example Sentences for tuba
Cite this Entry
“Tuba.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tuba. Accessed 23 Mar. 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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