What is "sackbuts"

Usage examples of "sackbuts".

Hurrying down corridors and climbing from level to level, Bisesa passed through a bewildering variety of rooms, each elaborately decorated, containing altars, statues, friezes, and obscure-looking equipment like crosiers, ornate knives, headdresses, musical instruments similar to lutes and sackbuts, even small carts and chariots.