The noun doctor has 4 senses (first 3 from tagged texts)
1. (74) doctor, doc, physician, MD, Dr., medico -- (a licensed medical practitioner; "I felt so bad I went to see my doctor")
2. (1) Doctor of the Church, Doctor -- ((Roman Catholic Church) a title conferred on 33 saints who distinguished themselves through the orthodoxy of their theological teaching; "the Doctors of the Church greatly influenced Christian thought down to the late Middle Ages")
3. (1) doctor -- (children take the roles of physician or patient or nurse and pretend they are at the physician's office; "the children explored each other's bodies by playing the game of doctor")
4. doctor, Dr. -- (a person who holds Ph.D. degree (or the equivalent) from an academic institution; "she is a doctor of philosophy in physics")
Overview of verb doctor
The verb doctor has 3 senses (first 2 from tagged texts)
1. (1) sophisticate, doctor, doctor up -- (alter and make impure, as with the intention to deceive; "Sophisticate rose water with geraniol")
2. (1) doctor -- (give medical treatment to)
3. repair, mend, fix, bushel, doctor, furbish up, restore, touch on -- (restore by replacing a part or putting together what is torn or broken; "She repaired her TV set"; "Repair my shoes please")