Definition of assistant noun from the Oxford Advanced American Dictionary

        

    assistant

     noun
    noun
    NAmE//əˈsɪstənt//
     
     
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  1. 1 a person who helps or supports someone, usually in their job My assistant will now demonstrate the machine in action. a research assistant She works as a physician's assistant in a nursing home. see also PDA, personal assistant, teaching assistant
  2. 2 = sales clerk a sales assistant in a department store Maybe one of our assistants can help you make your choice?
See the Oxford Advanced Learner's Dictionary entry: assistant