(ˈ)träm|bōn, (ˌ)trəmˈbōn noun
( -s )
Etymology: Italian, aug. of tromba trumpet, of Germanic origin; akin to Old High German trumpa, trumba trumpet — more at trump (trumpet)
1.
a.
(1) : a brass wind instrument that has a cupped mouthpiece, that consists of a long cylindrical metal tube bent twice upon itself and ending in a bell and that has its first crook as a movable slide thereby permitting the player to control the length of the vibrating column and produce any pitch within its compass of E to b♭′ — compare valve trombone
(2) : a player on this instrument
b. : a large-scale pipe-organ stop of a quality similar to that of the trombone
2. : an early blunderbuss having a large trumpet-shaped muzzle
3. : a U-shaped section that resembles the slide of a trombone and that adjusts tuning in a wave-guide or coaxial-line circuit
[s]trombone.jpg[/s]