Trombone

Noun

 * 1) 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♭).

Thesaurus
alpenhorn, alphorn, althorn, alto horn, ballad horn, baritone, bass horn, bassoon, block flute, bombard, bourdon, brass choir, brass wind, brass-wind instrument, brasses, bugle, bugle horn, cello, claribel, clarinet, clarion, concert flute, cornet, cornet-a-pistons, corno di caccia, cornopean, cromorna, cymbel, diapason, double-bell euphonium, dulciana, euphonium, flute stop, foundation stop, fourniture, gamba, gedeckt, gemshorn, harmonic flute, helicon, horn, hunting horn, hybrid stop, key trumpet, koppel flute, larigot, lituus, lur, mellophone, melodia, mixture, mutation stop, nazard, oboe, octave, ophicleide, orchestral horn, organ stop, piccolo, plein jeu, pocket trumpet, posaune, post horn, principal, quint, quintaten, rank, ranket, reed stop, register, rohr flute, sackbut, saxhorn, saxtuba, serpent, sesquialtera, shawm, slide trombone, sliphorn, sousaphone, spitz flute, stop, stopped diapason, stopped flute, string diapason, string stop, tenor tuba, tierce, tremolo, tromba, trumpet, tuba, twelfth, unda maris, valve trombone, valve trumpet, vibrato, viola, voix celeste, vox angelica, vox humana