noun one who rives or splits.
2. river ·vi to hawk by the side of a river; to fly hawks at river fowl.
3. river ·noun fig.: a large stream; copious flow; abundance; as, rivers of blood; rivers of oil.
4. river ·noun 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.