(Chald. sabkha; Gr. sambuke), a Syrian stringed instrument resembling a harp (Dan. 3:5, 7, 10, 15); not the modern sackbut, which is a wind instrument.
Easton’s Bible Dictionary
Sackbut
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.