probably the great aurochs or wild bulls which are now extinct. The exact meaning is not known.
STRONG'S WORD STUDY
H7214 — רְאֵם
re.em · wild ox · Hebrew/Aramaic
9 tagged verse occurrences
Numbers 23:22 · רְאֵ֖םGod brings them out of Egypt. He has as it were the strength of the wild ox.Numbers 24:8 · רְאֵ֖םGod brings him out of Egypt. He has as it were the strength of the wild ox. He shall eat up the nations his adversaries, shall break their bones in pieces, and pierce them with his arrows.Deuteronomy 33:17 · רְאֵם֙The firstborn of his herd, majesty is his. His horns are the horns of the wild ox. With them he shall push all of the peoples, to the ends of the earth: They are the ten thousands of Ephraim. They are the thousands of Manasseh.”Job 39:9 · רֵּ֣ים“Will the wild ox be content to serve you? Or will he stay by your feeding trough?Job 39:10 · רֵ֭יםCan you hold the wild ox in the furrow with his harness? Or will he till the valleys after you?Psalm 22:21 · רֵמִ֣יםSave me from the lion’s mouth! Yes, from the horns of the wild oxen, you have answered me.Psalm 29:6 · רְאֵמִֽים׃He makes them also to skip like a calf; Lebanon and Sirion like a young, wild ox.Psalm 92:10 · כִּרְאֵ֣יםBut you have exalted my horn like that of the wild ox. I am anointed with fresh oil.Isaiah 34:7 · רְאֵמִים֙The wild oxen will come down with them, and the young bulls with the mighty bulls; and their land will be drunken with blood, and their dust made greasy with fat.