The Hebrew noun ophan (אוֹפַן) means wheel, primarily used in contexts of chariots and the visionary throne-chariot of God (the merkabah). The plural ophanim (אוֹפַנִּים) appears in Ezekiel's extraordinary vision of the divine chariot, where four mysterious wheels intersect and move with the living creatures.
In Ezekiel 1 and 10, the ophanim are described with stunning detail: they gleam like topaz, they have the appearance of a wheel within a wheel, they are full of eyes all around, and they move in whatever direction the Spirit goes — never turning as they move. Theologians have long reflected on the ophanim as symbols of God's omniscience (eyes), omnipresence (movement in all directions), and the mobility of His throne — present wherever He chooses to act. The imagery influenced Jewish mysticism and apocalyptic literature. The chariot wheels remind us that God is not stationary; He comes to His people.