Illustration of euphonium
euphonium
noun
eu·pho·ni·um yü-ˈfō-nē-əm 
: a brass instrument smaller than but resembling a tuba and having a range from B flat below the bass staff upward for three octaves
Example Sentences
Recent Examples on the Web 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 There’s Cardavian, a nonbinary euphonium player and entrepreneur who specializes in culinary treats and also sells hair, lashes, and durags. Candace Mcduffie, The Christian Science Monitor, 24 Jan. 2022 White, 48, and currently an associate professor of tuba/euphonium at the University of New Mexico, is always just one mishap away from not realizing his dreams. Washington Post, 18 Dec. 2021 There are all shapes and sizes in the tuba family, from the massive sousaphones seen in marching bands, to the smaller euphonium or baritone horn. oregonlive, 11 Dec. 2021 Jemma Goddard, a Northwestern graduate student in music education, uses Northwestern garages to practice euphonium (a kind of cross between a French horn and a tuba). Christopher Borrelli, chicagotribune.com, 10 July 2021 The University of Akron’s School of Music will feature summer favorites performed by dozens of tuba, sousaphone, baritone and euphonium musicians from the region, not just those associated with the university. Marc Bona, cleveland, 15 June 2021 When the Wayland schools introduced band class in the fourth grade, Kelemanik was attracted to the euphonium, and later, the tuba. Matt Maccormack, BostonGlobe.com, 8 Feb. 2020 Interested tuba and euphonium players can register to join the concert up to the day of the performance; interested audiences don’t have to pay a dime to hear dozens of their favorite local low brass players perform holiday favorites. Elizabeth Nonemaker, baltimoresun.com, 26 Nov. 2019 See More
Washington Post, 20 Dec. 2020 There’s Cardavian, a nonbinary euphonium player and entrepreneur who specializes in culinary treats and also sells hair, lashes, and durags. Candace Mcduffie, The Christian Science Monitor, 24 Jan. 2022 White, 48, and currently an associate professor of tuba/euphonium at the University of New Mexico, is always just one mishap away from not realizing his dreams. Washington Post, 18 Dec. 2021 There are all shapes and sizes in the tuba family, from the massive sousaphones seen in marching bands, to the smaller euphonium or baritone horn. oregonlive, 11 Dec. 2021 Jemma Goddard, a Northwestern graduate student in music education, uses Northwestern garages to practice euphonium (a kind of cross between a French horn and a tuba). Christopher Borrelli, chicagotribune.com, 10 July 2021 The University of Akron’s School of Music will feature summer favorites performed by dozens of tuba, sousaphone, baritone and euphonium musicians from the region, not just those associated with the university. Marc Bona, cleveland, 15 June 2021 When the Wayland schools introduced band class in the fourth grade, Kelemanik was attracted to the euphonium, and later, the tuba. Matt Maccormack, BostonGlobe.com, 8 Feb. 2020 Interested tuba and euphonium players can register to join the concert up to the day of the performance; interested audiences don’t have to pay a dime to hear dozens of their favorite local low brass players perform holiday favorites. Elizabeth Nonemaker, baltimoresun.com, 26 Nov. 2019 See More Word History
Etymology
Greek euphōnos + English -ium (as in harmonium)
First Known Use
1865, in the meaning defined above