DictionarytubaLow-pitched brass instrument
noun

tuba

TOO-buh/ˈtuːbə/

A large brass musical instrument that produces low notes.

The tuba provides deep, steady notes beneath the band's melody.

A large gleaming modern brass tuba with coiled tubing, broad upward bell and valves stands beside an adult musician seated in rehearsal, no writing.
Etymology

Latin tuba named a straight bronze war trumpet. That ancient instrument name was later applied to the modern, very large, low-pitched member of the trumpet family.

In context

OrchestrationOnline67:58
the tuba and contrabassoon which are doubling each other right got that really really low G natural
Schoenberg: 5 Pieces for Orchestra, 5 - Obbligato Recitative

More examples

  • She plays the tuba in her school band.
  • Two tubas add a rich bass sound to the orchestra.
  • He carries his tuba in a large padded case.

Forms

tuba · tubas

tubist noun — A musician who plays the tuba.

Similar words

sousaphone
A type of tuba that wraps around a marching player.