English

Definition of motor noun from the Oxford Advanced Learner's Dictionary

      

    motor

     noun
    noun
    BrE BrE//ˈməʊtə(r)//
     
    ; NAmE NAmE//ˈmoʊtər//
     
    Types of vehicle, How machines work
     
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  1. 1  a device that uses electricity, petrol/gas, etc. to produce movement and makes a machine, a vehicle, a boat, etc. work an electric motor He started the motor. see also outboard motor See related entries: How machines work
  2. 2(British English, old-fashioned or humorous) a car See related entries: Types of vehicle
  3. Word Origin late Middle English (denoting a person who imparts motion): from Latin, literally ‘mover’, based on movere ‘to move’. The current sense of the noun dates from the mid 19th cent.Extra examples A powerful motor drives the mill wheel. He left the motor running. a boat with a powerful outboard motor One of the wheels is fitted with an electric motor. the motor industry/​trade
See the Oxford Advanced American Dictionary entry: motor