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Meaning: a pouring out, or a wrestling
It rises on the eastern side of the mountains of Gilead, and runs a course of about 65 miles in a wild and deep ravine. It was the boundary between the territory of the Ammonites and that of King Og of Bashan (Joshua 12:1-5; Numbers 21:24); also between the Tribe of Reuben and the half tribe of Manasseh (21:24; Deuteronomy 3:16). In its course westward across the plains it passes underground more than once.