Stream on the east of the Jordan, near to which the angel wrestled with Jacob. It was afterwards called 'the border of the children of Ammon.' Genesis 32:22; Numbers 21:24; Deuteronomy 2:37; Deuteronomy 3:16; Joshua 12:2; Judges 11:13,22 . In some parts it runs in a deep ravine, and in winter is impassable in places. It enters the Jordan about 32 6' N, and is now called Wady Zerka.