MOTOR CAR; MOTORCAR
Motor car, or Mo"tor*car`, n.

1. An automobile, locomobile, or locomotive designed to run and be steered on a street or roadway; esp., an automobile specially designed for passengers.

2. (Elec. Railroads) Any car containing motors for propulsion. [U. S.]

MOTOR CYCLE; MOTORCYCLE
Motor cycle, or Mo"tor*cy`cle, n.

Defn: A bicycle having a motor attached so as to be self-propelled. In Great Britain the term motor cycle is treated by statute (3 Ed VII. c. 36) as limited to motor cars (self-propelled vehicles) designed to travel on not more than three wheels, and weighing unladen (that is, without water, fuel, or accumulators necessary for propulsion) not more than three hundred weight (336 lbs.).

MOTOR-DRIVEN
Mo`tor-driv`en, a. (Mach.)

Defn: Driven or actuated by a motor, esp. by an individual electric motor. An electric motor forms an integral part of many machine tools in numerous modern machine shops.

MOTOR GENERATOR
Motor generator.

Defn: The combination consisting of a generator and a driving motor mechanically connected, usually on a common bedplate and with the two shafts directly coupled or combined into a single shaft.

MOTORING
Mo"tor*ing, n.