SACKBUT Meaning of SACKBUT in English [ 'sakbʌt ]■ noun an early form of trombone used in Renaissance music.OriginC15: from Fr. saquebute , from obs. saqueboute 'hook for pulling a man off a horse'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004