Part of speech: Noun
a licensed medical practitioner
Example: I felt so bad I went to see my doctor
Categories: Medical practitioner, Medical man
Part of speech: Noun
children take the roles of physician or patient or nurse and pretend they are at the physician's office
Example: the children explored each other's bodies by playing the game of doctor
Categories: Play, Child's play
Part of speech: Noun
a person who holds Ph.D. degree (or the equivalent) from an academic institution
Example: she is a doctor of philosophy in physics
Categories: Scholar, Scholarly person, Bookman, Student
Part of speech: Verb
give medical treatment to
Categories: Treat, Care for
Mend, Furbish up, Doctor of the church, Sophisticate, Doc
The word "doctor" comes from Latin doctor, which comes from Anglo-Norman doctour. Many other languages have similar words:
Words that pass through many languages often accumulate layers of meaning from each culture.