איוב לט:יט פירוש: רש״י ומלבי״ם

fierceness Heb. רעמה, an expression of thunder and fright, like (Ezek. 27:35), “Their faces are as though thunderstruck (רעמו).”

God also created animals for man’s use. For example, the horse, man's accomplice and ally in that most singular of his activities - warfare.