Definition & Meaning of "euphonium"in English

What is a "euphonium"?

A euphonium is a brass instrument with a warm, rich sound, similar to a smaller tuba. It has a coiled shape and uses a set of valves to change pitch. The euphonium is played by buzzing the lips into a mouthpiece, and the pitch is adjusted by pressing the valves. It is known for its smooth, mellow tone and is commonly used in brass bands, military bands, and concert bands. The euphonium provides both melodic and harmonic support in ensembles and is appreciated for its versatility and expressive range.