Fly-lord, the god of the Philistines at Ekron (2 Kings 1:2, 3, 16). This name was given to the god because he was supposed to be able to avert the plague of flies which in that region was to be feared. He was consulted by Ahaziah as to his recovery.
Easton’s Bible Dictionary
Baal-zebub
Name meaninggod of the fly
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.