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doc·tor  audio  (dktr) KEY 

  1. A person, especially a physician, dentist, or veterinarian, trained in the healing arts and licensed to practice.
    1. A person who has earned the highest academic degree awarded by a college or university in a specified discipline.
    2. A person awarded an honorary degree by a college or university.
  2. Abbr. Dr. Used as a title and form of address for a person holding the degree of doctor.
  3. Roman Catholic Church An eminent theologian.
  4. A practitioner of folk medicine or folk magic.
  5. A rig or device contrived for remedying an emergency situation or for doing a special task.
  6. Any of several brightly colored artificial flies used in fly fishing.
Informal doc·tored, doc·tor·ing, doc·tors
  1. Informal To give medical treatment to: "[He] does more than practice medicine. He doctors people. There's a difference" (Charles Kuralt).
  2. To repair, especially in a makeshift manner; rig.
    1. To falsify or change in such a way as to make favorable to oneself: doctored the evidence.
    2. To add ingredients so as to improve or conceal the taste, appearance, or quality of: doctor the soup with a dash of sherry. See Synonyms at adulterate.
    3. To alter or modify for a specific end: doctored my standard speech for the small-town audience.
    4. Baseball To deface or apply a substance to (the ball): was ejected because he doctored the ball with a piece of sandpaper.
To practice medicine.

Middle English, an expert, authority, from Old French docteur, from Latin doctor, teacher, from docre, to teach; see dek- in Indo-European roots

doctor·al(Adjective), doctor·ly(Adjective)

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