1
: one that imparts motion
specifically
: prime mover
2
: any of various power units that develop energy or impart motion: such as
a
: a small compact engine
b
: internal combustion engine
especially
: a gasoline engine
c
: a rotating machine that transforms electrical energy into mechanical energy
3
: motor vehicle
especially
: automobile
1
a
: causing or imparting motion
b
: of, relating to, or being a motor neuron or a nerve containing motor neurons
motor fiber
c
: of, relating to, concerned with, or involving muscular movement
motor areas of the brain
2
a
: equipped with or driven by a motor
b
: of, relating to, or involving an automobile
c
: designed for motor vehicles or motorists
motored; motoring; motors
1
: to travel by automobile : drive
2
: to move or proceed at a vigorous steady pace
motored down the field for a touchdown
: to transport by automobile
Synonyms
Noun
Verb
- barrel
- belt
- blast
- blaze
- blow
- bolt
- bomb [slang]
- bowl
- breeze
- bundle
- bustle
- buzz
- cannonball
- careen
- career
- chase
- course
- crack (on)
- dash
- drive
- fly
- hare
- hasten
- hie
- highball
- hotfoot (it)
- hump
- hurl
- hurry
- hurtle
- hustle
- jet
- jump
- nip
- pelt
- race
- ram
- rip
- rocket
- run
- rush
- rustle
- scoot
- scurry
- scuttle
- shoot
- speed
- step
- tear
- travel
- trot
- whirl
- whisk
- zip
- zoom
Examples of motor in a Sentence
Noun
the device was equipped with a small electrical motor to make the gears spin
went shopping for a new automobile at Valley Motors
Adjective
motor areas of the brain
Verb
We spent the afternoon motoring through the countryside.
The car motored slowly up the hill.
Recent Examples on the Web
Jonathan Shorman, Kansas City Star, 18 Apr. 2024
In terms of that watch being more tied to yachting—and you guys are really known heavily for cars, motor racing—is there going to be any ongoing effort to broaden those categories within the brand?
—Paige Reddinger, Robb Report, 17 Apr. 2024
See all Example Sentences for motor 
Noun
The National Voter Registration Act – often called the motor voter law – requires states to offer residents the opportunity to register to vote at motor vehicle offices.
—Jonathan Shorman, Kansas City Star, 18 Apr. 2024
In terms of that watch being more tied to yachting—and you guys are really known heavily for cars, motor racing—is there going to be any ongoing effort to broaden those categories within the brand?
—Paige Reddinger, Robb Report, 17 Apr. 2024
See all Example Sentences for motor
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'motor.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near motor
Cite this Entry
“Motor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/motor. Accessed 4 May. 2024.
Copy CitationKids Definition
motor
1 of 3 noun
mo·tor
ˈmōt-ər 
1
: a machine that produces motion or power for doing work
a gasoline motor
electric motors
2
: motor vehicle
especially
: automobile entry 2
motor
2 of 3 adjective1
: causing or giving motion
motor power
2
a
: of, relating to, or being a nerve, neuron, or nerve fiber that carries a nerve impulse to a muscle causing movement
motor nerves
b
: concerned with or involving muscular movement
motor areas of the brain
a motor reaction
3
a
: equipped with or driven by a motor
b
: of, relating to, or designed for use in an automobile
a motor accident
a motor mechanic
motor
3 of 3 verb
: to travel or transport by automobile : drive
Medical Definition
motor
adjective
mo·tor
ˈmōt-ər
1
: causing or imparting motion
2
: of, relating to, or being a motor neuron or a nerve containing motor neurons
motor fibers
motor cells
3
: of, relating to, concerned with, or involving muscular movement
motor areas of the brain
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