Boyd’s Bible Dictionary:
(blow, flow). Flute or “pipe,” made of reeds or copper, and similar to those of today (Dan.3:5-15; 1 Kings 1:40).
Concise Bible Dictionary:
Reed or pipe blown with the mouth, but its construction is not definitely known (Dan. 3:5, 7, 10, 15).
Strong’s Dictionary of Hebrew Words:
Transliteration:
mashrowqiy
Meaning:
(Aramaic) from a root corresponding to 8319; a (musical) pipe (from its whistling sound)