n. - One who rives or splits.
n. - 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.
n. - Fig.: A large stream; copious flow; abundance; as, rivers of blood; rivers of oil.
v. i. - To hawk by the side of a river; to fly hawks at river fowl.