What are unicorns in the Bible?

Understanding Numbers 23:22 (KJV), Job 39:9-12, Psalm 22:21, Psalm 92:10, Isaiah 34:7

The word 'unicorn' appears nine times in the King James Version of the Bible (Numbers 23:22; 24:8; Deuteronomy 33:17; Job 39:9-10; Psalm 22:21; 29:6; 92:10; Isaiah 34:7). This has led to centuries of confusion, mockery, and genuine questions about whether Scripture endorses the existence of mythical creatures. The short answer: it does not. The KJV translation is a product of its time, and the Hebrew word being translated refers to a real — and now extinct — animal.

The Hebrew Word: Re'em

The original Hebrew word is re'em (רְאֵם). When the KJV translators encountered this word in 1611, they were uncertain of its meaning. The animal was already extinct in the Near East, and no living specimen could be consulted. They followed the Greek Septuagint (LXX), which had translated re'em as monokeros (μονόκερως) — literally 'one-horned.' The Latin Vulgate used unicornis. The KJV translators simply continued this tradition, rendering it as 'unicorn.'

Modern translations, informed by better archaeological and zoological evidence, translate re'em as 'wild ox' (NIV, ESV, NASB, NRSV). This is now the scholarly consensus.

What Was the Re'em?

The re'em almost certainly refers to the aurochs (Bos primigenius), the wild ancestor of domestic cattle. The aurochs was an enormous, powerful, and untamable beast that stood up to six feet tall at the shoulder — far larger than any modern cow. It was hunted throughout the ancient Near East and is depicted in Assyrian, Babylonian, and Egyptian art. The last known aurochs died in Poland in 1627 — just fourteen years after the KJV was published.

Assyrian stone reliefs from the palace of Ashurnasirpal II (9th century BC) show kings hunting wild bulls that match the biblical descriptions perfectly: immensely strong, impossible to domesticate, and dangerous. The Akkadian word rimu (cognate with Hebrew re'em) appears in these same contexts.

The Biblical Descriptions

Every biblical reference to the re'em fits a powerful wild ox, not a mythical horse with a horn:

• Untamable: 'Will the wild ox consent to serve you? Will it stay by your manger at night? Can you hold it to the furrow with a harness? Will it till the valleys behind you?' (Job 39:9-10). This describes an animal that cannot be domesticated — exactly the aurochs.

• Immensely strong: 'God brought them out of Egypt; he has the strength of a wild ox' (Numbers 23:22; 24:8). Strength is the defining characteristic.

• Horned: 'His horns are the horns of a wild ox; with them he will gore the peoples' (Deuteronomy 33:17). Note the plural — horns, not horn. This verse alone undermines the 'unicorn' (one-horn) translation.

• Associated with bulls and calves: 'And the wild oxen will fall with them, the bull calves and the great bulls' (Isaiah 34:7). The re'em is grouped with other bovines, not with horses or mythical creatures.

Why the Confusion Persists

Several factors keep the 'unicorns in the Bible' question alive:

1. KJV loyalty. Many English speakers grew up with the King James Version and treat its specific word choices as authoritative. When the KJV says 'unicorn,' they assume the Bible means a unicorn.

2. Skeptical mockery. Critics of the Bible sometimes cite 'unicorns in the Bible' as evidence that Scripture contains fairy tales. This argument depends entirely on the KJV's 17th-century translation choice, not on the Hebrew text.

3. The Septuagint's influence. The Greek translators (c. 250 BC) chose monokeros, possibly because the aurochs was sometimes depicted in profile on ancient seals and reliefs — showing only one horn. A side view of a two-horned animal can appear one-horned. Alternatively, some species of wild ox may have occasionally had a horn deformity resulting in a single horn.

4. Medieval legend. By the Middle Ages, the 'unicorn' had become a symbol of Christ in Christian art and allegory (captured only by a virgin, representing the Incarnation). This theological symbolism was read back into the biblical text, reinforcing the translation.

The Takeaway

The Bible does not describe mythical unicorns — one-horned magical horses. It describes the re'em, a real, powerful, wild ox that the KJV translators rendered with the best word available to them in 1611. Modern translations have corrected this, and the Hebrew text has always referred to a flesh-and-blood animal. The 'unicorn' question is a translation artifact, not a biblical claim about mythology.