Strong's #6157: `arob (pronounced aw-robe')

from 6148; a mosquito (from its swarming):--divers sorts of flies, swarm.

Brown-Driver-Briggs Hebrew Lexicon:

‛ârôb

1) swarm

1a) probable meaning from ' mixture' and ' incessant or involved motion'

Part of Speech: noun masculine

Relation: from H6148

Usage:

This word is used 9 times:

 

Exodus 8:21: "behold, I will send swarms of flies upon thee, and upon thy servants, and upon thy people, and into thy houses: and the houses"
Exodus 8:21: "of the Egyptians shall be full of swarms of flies, and also the ground whereon"
Exodus 8:22: "my people dwell, that no swarms of flies shall be there; to the end thou mayest know"
Exodus 8:24: "so; and there came a grievous swarm of flies into the house of Pharaoh, and into his servants' houses,"
Exodus 8:24: "the land was corrupted by reason of the swarm"
Exodus 8:29: "from thee, and I will entreat the LORD that the swarms of flies may depart from Pharaoh,"
Exodus 8:31: "according to the word of Moses; and he removed the swarms of flies from Pharaoh, from his servants,"
Psalms 78:45: "He sent divers sorts of flies among them, which devoured them; and frogs, which destroyed"
Psalms 105:31: "He spoke, and there came divers sorts of flies, and lice in all their coasts."