Surgeon (noun)

1. A medical doctor who is trained to perform surgical operations.
2. A person who is skilled in performing surgical operations.
3. A person who is responsible for performing surgical operations.
4. A specialist in surgery.
5. A physician who is trained to operate on patients.

Origin:

From old french surjen, from latin chirurgus ("hand worker"), from ancient greek χειρουργός (kheirourgós, "hand worker"), from χείρ (kheír, "hand") + ἔργον (érgon, "wor.k")

Examples:

1. The surgeon performed a successful operation.
2. The surgeon is skilled in performing complex operations.
3. The surgeon is responsible for the patient's recovery.
4. He is a brain surgeon.
5. She is a heart surgeon.