tuba

noun

tu·​ba ˈtü-bə 

ˈtyü-

: 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

tubaist

ˈtü-bə(-i)st 

ˈtyü-

noun

or tubist

ˈtü-bist 

ˈtyü-

Illustration of tuba

Examples of tuba in a Sentence

Recent Examples on the Web

Of course, with the reach of the Mexican diaspora, at least one business serves tuba in Los Angeles. — Daniel Hernandez, Los Angeles Times, 24 June 2026

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

Word History

Etymology

Italian, from Latin, trumpet

First Known Use

1852, in the meaning defined above

Rhymes for tuba

• luba
• scuba
• yuba
• yoruba

Kids 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