הֲתִתֵּ֣ן לַסּ֣וּס גְּבוּרָ֑ה הֲתַלְבִּ֖ישׁ צַוָּאר֣וֹ רַעְמָֽה׃
Acaso deste força ao cavalo, ou revestiste de força o seu pescoço?
Rashi on Job
fierceness Heb. רעמה, an expression of thunder and fright, like (Ezek. 27:35), “Their faces are as though thunderstruck (רעמו).”
Malbim on Job
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.