eu·​pho·​ni·​um yü-ˈfō-nē-əm How to pronounce euphonium (audio)
: a brass instrument smaller than but resembling a tuba and having a range from B flat below the bass staff upward for three octaves

Illustration of euphonium

Illustration of euphonium

Examples of euphonium in a Sentence

Recent Examples on the Web In an annual tradition that was started 49 years ago in New York and has since expanded across the country, low brass (tuba, sousaphone and euphonium) players of all ages are welcome to join in the merriment of Tuba Christmas. Sophia Solano, Washington Post, 9 Dec. 2022 Control subjects responded to the Bond theme no differently than the euphonium, but the stroke victim's brain had a much stronger response to the theme song. Elizabeth Preston, Discover Magazine, 2 Aug. 2013 During the show, Moore asked tuba player Patrick Zerse to stand up and describe his instrument, a rare double-bell euphonium produced in Grand Rapids in the early 20th century. Jenna Prestininzi, Detroit Free Press, 18 Dec. 2022 Christmas carols will be performed by over 200 tuba, sousaphone and euphonium players. John Coffren, Baltimore Sun, 15 Dec. 2022 Tuba, euphonium and sousaphone players are used to sitting in the back of an orchestra, but the Kennedy Center brings 150 of them front and center at Merry Tuba Christmas, an annual celebration of low brass power and festive tunes. Chris Richards, Washington Post, 8 Dec. 2022 Tuba and euphonium players are invited to perform holiday tunes on Saturday, Dec. 10, at the corner of Washington and Jefferson streets in downtown Naperville. Michelle Mullins, Chicago Tribune, 3 Dec. 2022 Onsite registration is available for local tuba and euphonium players. Anchorage Daily News, 2 Dec. 2022 One of the Kennedy Center’s stranger holiday traditions finds up to 200 tuba, euphonium and sousaphone players joining forces for a brassy and very merry concert of seasonal songs. Washington Post, 20 Dec. 2020 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'euphonium.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Greek euphōnos + English -ium (as in harmonium)

First Known Use

1865, in the meaning defined above

Time Traveler
The first known use of euphonium was in 1865

Dictionary Entries Near euphonium

Cite this Entry

“Euphonium.” Dictionary, Merriam-Webster, Accessed 28 Feb. 2024.

Kids Definition


eu·​pho·​ni·​um yu̇-ˈfō-nē-əm How to pronounce euphonium (audio)
: a brass musical instrument resembling a tuba but playing in a higher pitch range

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