CASCADE SYSTEM n.
upply; also, a system of electric traction in which motors so connected are employed. The cascade system is also called tandem, or concatenated, system; the connection a cascade, tandem, or concatenated, connection, or a concatenation; and the control of the motors so obtained a tandem, or concatenation, control. In th…
RAPID n.
of a river where the current moves with great swiftness, but without actual waterfall or cascade; -- usually in the plural; as, the Lachine rapids in the St. Lawrence. Row, brothers, row the stream runs fast, The rapids are near, and the daylight's past. Moore.