trombone

2 definitions • 1 example

a large, brass musical instrument that you play by blowing into it and sliding a U-shaped tube in and out to change the length and produce different notes:

The main orchestral brass instruments are the horn, trumpet, trombone, and tuba.

a long, brass musical instrument with a U-shaped piece that is slid in and out of the main part of the instrument to vary the notes and played by blowing into it, or this type of instrument generally; a horn