- a comparatively small and powerful engine, especially an internal-combustion engine in an automobile, motorboat, or the like.
- any self-powered vehicle.
- a person or thing that imparts motion, especially a contrivance, as a steam engine, that receives and modifies energy from some natural source in order to utilize it in driving machinery.
- Also called electric motor. Electricity. a machine that converts electrical energy into mechanical energy, as an induction motor.
- motors, stocks or bonds in automobile companies.
- pertaining to or operated by a motor.
- of, for, by, or pertaining to motor vehicles: motor freight.
- designed or for automobiles, their drivers, or their passengers: The hotel has a motor lobby in its parking garage for picking up and discharging passengers.
- causing or producing motion.
- Physiology. conveying an impulse that results or tends to result in motion, as a nerve.
- Psychology, Physiology. Also motoric. of, relating to, or involving muscular movement: a motor response; motor images.
- to ride or travel in an automobile; drive: They motored up the coast.
- Chiefly British. to drive or transport by car: He motored his son to school.
Origin of motor
Examples from the Web for motor
They can hear the sound of his boat's motor, growing louder as it comes over the horizon.Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days
December 13, 2014
The turbulent waters caused one of his oars to crack, which—without a motor or a sail—can be severely detrimental to his voyage.Victor Mooney’s Epic Adventure for His Dead Brother
October 19, 2014
He was initially with a group that traveled by motor vehicles, but has spent the past two decades with a horse at his helm.London’s Pagan Counterculture Kings
October 12, 2014
But if the outness of LGBT Americans is indeed the motor for social change, then there is certainly still cause for concern.Now Is the Time to Come Out
October 11, 2014
“I would build a motor car for the great multitude,” he said.From the Model T to the Model S
The Daily Beast
September 24, 2014
A few years only back, every Carolinian rode to town, and the motor was unknown.'Tis Sixty Years Since
Charles Francis Adams
Much of the efficiency of the motor is due to the form and gearing of the propeller.
For example, there is neither an intake or exhaust manifold on the motor.
If the machine is to be kept afloat the motor must be kept moving.
On Model B a Holmes rotary 7-cylinder motor of 4x4-inch bore and stroke is used.
- the engine, esp an internal-combustion engine, of a vehicle
- (as modifier)a motor scooter
- Also called: electric motor a machine that converts electrical energy into mechanical energy by means of the forces exerted on a current-carrying coil placed in a magnetic field
- any device that converts another form of energy into mechanical energy to produce motion
- an indispensable part or player that moves a process or system along
- mainly Britisha car or other motor vehicle
- as modifiermotor spares
- producing or causing motion
- of or relating to nerves or neurons that carry impulses that cause muscles to contract
- of or relating to movement or to muscles that induce movement
- (intr) to travel by car
- (tr) British to transport by car
- (intr) informal to move fast; make good progress
- (tr) to motivate
Word Origin and History for motor
mid-15c., "controller, prime mover," from Latin motor, literally "mover," agent noun from past participle stem of movere "to move" (see move (v.)). From 15c. as "controller, prime mover" (in reference to God); sense of "agent or force that produces mechanical motion" is first recorded 1660s; that of "machine that supplies motive power" is from 1856. First record of slang motor-mouth "fast-talking person" is from 1970.
1896, from motor (n.). Related: Motored; motoring.
- Causing or producing motion.
- Of or being nerves that carry impulses from the nerve centers to the muscles.
- Involving or relating to movements of the muscles.
- Of or relating to an organism's overt reaction to a stimulus.
- A machine that uses energy, such as electric or chemical energy (as from burning a fuel), to produce mechanical motion. See also engine.
- Involving the muscles or the nerves that are connected to them. Compare sensory.