The title of an academic or medical doctor (a person who holds a doctorate); used before or instead of the doctor's name.

(transitive) To act as a medical doctor to. / (intransitive, humorous) To act as a medical doctor. / (transitive) To make (someone) into an (academic) doctor; to confer a doctorate upon.

A physician; a member of the medical profession; one who is trained and licensed to heal the sick or injured. The final examination and qualification may award a doctor degree in which case the post-nominal letters are D.O., DPM, M.D., DMD, DDS, in the US or MBBS in the UK.

Relating to a doctorate. / Pertaining to a medical doctor or physician.

(Britain) A doctor’s surgery.

By, or in the manner of, a doctor.

Of a symptom or medical problem, worth taking to a doctor.

The highest degree awarded by a university faculty.

(archaic) To make (someone) into a doctor.

One who doctors.