Concise Bible Dictionary:
Brook or wady “before Jordan,” where Elijah was fed by the ravens during part of the three years’ famine (1 Kings 17:3,5). It is not identified.
Potts’ Bible Proper Names:
Cutting; piercing; slaying:― a brook of Palestine, where Elijah hid himself from Ahab, 1 Kings 17:3. {Concidens}