| Sackbut (n.) A brass wind instrument, like a bass trumpet, so contrived that it can be lengthened or shortened according to the tone required; -- said to be the same as the trombone. Thesaurus Entries alpenhorn, alphorn, alto horn, ballad horn, baritone, bass horn, brass choir, brass wind, brass-wind instrument, brasses, bugle, bugle horn, clarion, cornet, cornet-a-pistons, corno di caccia, cornopean, double-bell euphonium, euphonium, helicon, horn, hunting horn, key trumpet, lituus, lur, mellophone, ophicleide, orchestral horn, pocket trumpet, post horn, sackbut, saxhorn, saxtuba, serpent, slide trombone, sliphorn, sousaphone, tenor tuba, tromba, trombone, trumpet, tuba, valve trombone, valve trumpet |