Job 40:15
Behold now behemoth, which I made with you; he eats grass as an ox.
Torrey's Topical Textbook—AKJV

Psalm 106:20
Thus they changed their glory into the similitude of an ox that eats grass.
Torrey's Topical Textbook—AKJV

Daniel 4:25
That they shall drive you from men, and your dwelling shall be with the beasts of the field, and they shall make you to eat grass as oxen, and they shall wet you with the dew of heaven, and seven times shall pass over you, till you know that the most High rules in the kingdom of men, and gives it to whomsoever he will.
Torrey's Topical Textbook—AKJV