Simple Definition of trombone

from our Learner's Dictionary

trombone

noun

trɑmˈboʊn How to pronounce trombone (audio)
plural trombones
: a large brass musical instrument that you blow into and that has a tube that you slide in and out to play different notes

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“Trombone.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/trombone. Accessed 15 Apr. 2026.

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Nglish: Translation of trombone for Spanish Speakers

Britannica.com: Encyclopedia article about trombone

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