Psychiatrist (noun)

A medical doctor who specializes in the diagnosis and treatment of mental illness or disorders.

Origin:

From the greek ψυχή (psyche) meaning "mind" and -iatrist meaning "specialist in the treatment of".

Examples:

1. He is a psychiatrist who is specialized in treating patients with depression.
2. I have an appointment with my psychiatrist next week to discuss my medication.
3. The patient was referred to a psychiatrist for his anxiety disorder.
4. She is a child psychiatrist who specializes in treating children and adolescents with mental health issues.
5. He is a forensic psychiatrist who works in the criminal justice system to evaluate defendants' mental health.