sagbut

/ˈsæɡbʌt/
noun
  1. An early type of trombone, used in Renaissance and Baroque music, with a softer tone than the modern trombone.
    • Historians found a well-preserved sagbut in the castle's music room.
    • The musician played a beautiful melody on a sagbut at the Renaissance fair.
    • She learned to play the sagbut for her early music ensemble.