Boyd’s Bible Dictionary:
(sweet song). The bagpipe and not the stringed dulcimer is meant (Dan. 3:5-15).
Concise Bible Dictionary:
A musical instrument formed of two pipes inserted into a leathern bag, somewhat like the bagpipes, or the Italian sampogna (Dan. 3:5, 10, 15). It was not, like the modern dulcimer, formed with strings.
Strong’s Dictionary of Hebrew Words:
Transliteration:
cuwmpownyah
Meaning:
(Aramaic) or cuwmponyah (Aramaic) {soom-po-neh-yaw'}; or ciyphonya: (Dan. 3:10) (Aramaic) {see-fo-neh-yaw'}; of Greek origin; a bagpipe (with a double pipe)