motor

noun

• a machine, especially one powered by electricity or internal combustion, that supplies motive power for a vehicle or for some other device with moving parts.
• a source of power, energy, or motive force:hormones are the motor of the sexual functions

adjective

• 1giving, imparting, or producing motion or action:demand is the principle motor force governing economic activity
• Physiology relating to muscular movement or the nerves activating it:the motor functions of each hand

• 2chiefly British driven by a motor.
• of or relating to motor vehicles:a dominant figure in the world of motor sports

verb

• travel in a motor vehicle, typically a car or a boat:we motored along a narrow road we motored out of Breton Bay to begin our return trip down the Potomac
• run or move as fast as possible:he had motored along to second base on a passed ball