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psychiatrist meaning, definition, what is psychiatrist: a doctor who is also trained in psychiatry. Learn more.
A psychiatrist is a medical physician specializing in treatment of  the mind.  It's not easy to become a real-life Dr. Frasier Crane. At a  minimum, you have to complete fo â¦ ur years of college, then four  years of medical school and, finally, four years of psychiatry  residency training.