A musical instrument in the brass family, having a cylindrical bore, and usually a sliding tube (but sometimes piston valves, and rarely both). Most often refers to the tenor trombone, which is the most common type of trombone and has a fundamental tone of B♭ˌ (contra B♭).

(telecommunications) To transmit a signal or data back to a central switching point before sending it out to its destination.

plural of tromboner

(nonstandard) A person who plays a trombone.

plural of trombone

simple past tense and past participle of trombone

present participle of trombone

(slang, vulgar) The act of simultaneously performing anilingus and masturbating the penis.

A trombone with the same fundamental pitch as the tenor, typically has two valves, a wider bore, and larger bell. These help to produce a fuller, weightier, sound, and help play better in the lower register.

A trombone equipped with a slide.