Motor

/ˈmoʊtər/

Meaning & Definition

noun
A machine, especially one powered by electricity or internal combustion, that supplies motive power for a vehicle or device.
The car’s motor needed to be repaired before the road trip.
A person or device that causes or initiates movement.
He is the motor of our team, always pushing us to do better.
A machine that converts electric energy into mechanical energy.
The factory uses a large electric motor to drive the conveyor belt.
adjective
Relating to or causing movement.
Motor skills are crucial for children's physical development.
Of or pertaining to the muscles, as in motor function or motor nerve.
Motor neurons are essential for controlling muscle movements.

Etymology

From Latin 'motor', meaning 'mover'.

Common Phrases and Expressions

motor vehicle
A self-propelled vehicle, such as a car or truck.
motor skills
The abilities required to control the large and small muscles of the body.
motor oil
Lubricating oil used in engines.

Related Words

engine
A machine that converts fuel into mechanical power.
vehicular
Relating to vehicles.

Slang Meanings

To rev up or accelerate.
He really motored down the highway.
A fast or powerful car.
That new sports car is a serious motor.