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doctor

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noun [countable] American English pronunciation: doctor /ˈdɑktər/ 
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singulardoctor
pluraldoctors
 
  1. 1
    someone whose job is to treat people who are sick or injured. When written as a title, the abbreviation of doctor is Dr. A doctor who performs medical operations is called a surgeon. Someone being treated by a doctor or nurse is called a patient

    Hannah had always wanted to be a doctor.

    Doctor Jones specializes in heart problems.

    go to/see a doctor:

    Have you seen a doctor yet?

    ask/consult a doctor:

    If you are overweight, consult your doctor before trying these exercises.

  2. 2
    someone who has the highest degree given by a university

    a doctor of theology

    The research team is headed up by Doctor Beth Levinson.

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