A stringed musical instrument.

Therefore at that time, when all the people heard the sound of the cornet, flute, harp, SACKBUT, psaltery, and all kinds of music, all the people, the nations, and the languages, fell down and worshipped the golden image that Nebuchadnezzar the king had set up. ( Daniel 3:7 )

Dictionary of Words from the King James Bible. Public Domain. Copy freely.