River

One who rives or splits.

A large stream of water flowing in a bed or channel and emptying into the ocean, a sea, a lake, or another stream; a stream larger than a rivulet or brook.

Fig.: A large stream; copious flow; abundance; as, rivers of blood; rivers of oil.

To hawk by the side of a river; to fly hawks at river fowl.

a large natural stream of water (larger than a creek); "the river was navigable for 50 miles"