Definition of doctor

• a licensed medical practitioner; "I felt so bad I went to see my 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"
• children take the roles of physician or patient or nurse and pretend they are at the physicians office; "the children explored each others bodies by playing the game of doctor"