Water Course
From BiblePortal Wikipedia
Water Course [1]
(1):
A natural channel for water; also, a canal for the conveyance of water, especially in draining lands.
(2):
A stream of water; a river or brook.
(3):
A running stream of water having a bed and banks; the easement one may have in the flowing of such a stream in its accustomed course. A water course may be sometimes dry.