Longman Dictionary of Contemporary English homepage

Topic: POWER

Date: 1400-1500
Language: Latin
Origin: motus, past participle of movere; MOVE1

motor

1 noun
     
mo‧tor1 [countable]
1TP the part of a machine that makes it work or move, by changing power, especially electrical power, into movement:
an electric motor
! Motor is not generally used to refer to the part of a vehicle which produces the power for it to move. Use engine: My car needs a completely new engine.
2 British English old-fashioned or informalTTC a car:
That's a nice motor you've got, Dave.
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