Strong's #7482: ra`am (pronounced rah'am)
from 7481; a peal of thunder:--thunder.
Brown-Driver-Briggs Hebrew Lexicon:
ra‛am
1) thunder
Part of Speech: noun masculine
Relation: from H7481
Usage:
This word is used 6 times:
Job 26:14: "little a portion is heard of him? but the thunder of his power who can understand?"
Job 39:25: "and he smelleth the battle afar off, the thunder of the captains, and the shouting."
Psalms 77:18: "The voice of thy thunder was in the heaven: the lightnings lightened the world: the earth trembled"
Psalms 81:7: "and I delivered thee; I answered thee in the secret place of thunder: I proved thee at the waters of Meribah."
Psalms 104:7: "they fled; at the voice of thy thunder they hasted away."
Isaiah 29:6: "of the LORD of hosts with thunder, and with earthquake, and great noise,"