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



    BrE BrE//ˈməʊtə(r)//
    ; NAmE NAmE//ˈmoʊtər//
    [only before noun]
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  1. 1having an engine; using the power of an engine motor vehicles
  2. 2(especially British English) connected with vehicles that have engines the motor industry/trade a motor accident motor insurance motor fuel
  3. 3(specialist) connected with movement of the body that is produced by muscles; connected with the nerves that control movement uncoordinated motor activity Both motor and sensory functions are affected.
  4. Word Originlate 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.
See the Oxford Advanced American Dictionary entry: motor