Berean Study Bible (BSB) - 1 Kings 20:21 >

Then the king of Israel marched out and attacked the horses and chariots, inflicting a great slaughter on the Arameans.

Jewish Publication Society of America Version (JPS1917) - 1 Kings 20:21 >

And the king of Israel went out, and smote the horses and chariots, and slew the Arameans with a great slaughter.