- 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.
Origin of euphonium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for euphonium
Mr. Mullin's position in the Stockman band is that of euphonium soloist.The Merry-Go-Round
Carl Van Vechten
The pitch of the helicon is an octave below that of the euphonium.
Perhaps the most remarkable place in which a burglar carried his tools was a euphonium!
The euphonium gives out the fundamental, or first note of the harmonic series, readily, but no harmonic above the eighth.
The euphonium speaks readily in the lower register, but slowly, of course, owing to the long dip of the pistons.
- a brass musical instrument with four valves; the tenor of the tuba family. It is used mainly in brass bands
C19: New Latin, from euph (ony + harm) onium