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 is bringing them out from Egypt, As the swiftness of a Reem is to him;Numbers 24:8 · רְאֵ֖םGod is bringing him out of Egypt; As the swiftness of a Reem is to him, He eateth up nations his adversaries, And their bones he breaketh, And with his arrows he smiteth,Deuteronomy 33:17 · רְאֵם֙His honour is a firstling of his ox, And his horns are horns of a reem; By them peoples he doth push together To the ends of earth; And they are the myriads of Ephraim, And they are the thousands of Manasseh.Job 39:9 · רֵּ֣יםIs a Reem willing to serve thee? Doth he lodge by thy crib?Job 39:10 · רֵ֭יםDost thou bind a Reem in a furrow with his thick band? Doth he harrow valleys after thee?Psalm 22:21 · רֵמִ֣יםSave me from the mouth of a lion:—And—from the horns of the high places Thou hast answered me!Psalm 29:6 · רְאֵמִֽים׃And He causeth them to skip as a calf, Lebanon and Sirion as a son of Reems,Psalm 92:10 · כִּרְאֵ֣יםAnd Thou exaltest as a reem my horn, I have been anointed with fresh oil.Isaiah 34:7 · רְאֵמִים֙And come down have reems with them, And bullocks with bulls, And soaked hath been their land from blood, And their dust from fatness is made fat.