[count] ◊The abbreviation Dr. is usually used in writing when doctor is being used as a title for a specific person.
▪ I have an appointment with Dr. Brown. 1 a : a person who is skilled in the science of medicine : a person who is trained and licensed to treat sick and injured people
▪ I think you should see a doctor. [=physician] ▪ He needed medicine but refused to go to a doctor. ▪ a visit to the doctor's office = a doctor's visit ▪ She was under doctor's orders not to return to work. ▪ Most of her money goes to paying doctors' bills. [=bills for visits to doctors and medical treatment]
b the doctor or the doctor's : the place where a doctor works
▪ I saw her at the doctor's last week. ▪ How long will you be at the doctor? 2 US a : a dentist — used chiefly as a title or as a form of address ▪ My dentist is Dr. Smith.
b : a person who is trained to treat sick and injured animals : veterinarian
▪ an animal doctor — used chiefly as a title or as a form of address ▪ We took our dog to Dr. Jones. 3 : a person who has the highest degree (such as a PhD) given by a university
▪ Most of the faculty members at this college are doctors in their fields. ▪ a Doctor of Philosophy ▪ Dr. Smith, can you explain the exam requirements again?