euphonium

American  

[yoo-foh-nee-uhm] / juˈfoʊ ni əm /

noun

1. a brass musical instrument similar to the baritone tuba but somewhat smaller, with a wider bore and mellower tone, and often having a second bell.

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euphonium British  

/ juːˈfəʊnɪəm /

noun

1. a brass musical instrument with four valves; the tenor of the tuba family. It is used mainly in brass bands

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Etymology

Origin of euphonium

First recorded in 1860–65; euph(ony) + (harm)onium

Example Sentences

See Examples For:

euphonium

Carys's 11-year-old sister, Eliza, who plays the euphonium, will also perform at the Abbey.

From BBC ● Dec. 5, 2025

Sometimes she performs duets with her husband, who plays the euphonium, or for the uninitiated, “a brass instrument that looks a lot like a small tuba,” Ray said.

From Washington Post ● Jan. 9, 2022

From the day I started playing euphonium in 5th grade through my senior year of high school, music and band had been the foundation of my social life.

From New York Times ● Nov. 23, 2019

At Woodbridge High, he was the captain of the hockey team, president of the Latin club and a player of the trombone and the euphonium in the band, his first formal musical training.

From Los Angeles Times ● Sep. 5, 2019

I looked for the euphonium player and saw a slender black man with his face turned toward the sun, singing through the upturned bells of the horn.

From "Invisible Man" by Ralph Ellison