What does "anesthesiologist" mean?

A physician who specializes in anesthesiology and administers anesthesia.

Anesthesiologist

Common synonyms include: anaesthetist, anaesthetists, anesthetist, anesthetists, chiropodist, gynecologist.

noun

noun ·7 syllables ·Rare ·Advanced level

Noun

1
A physician who specializes in anesthesiology and administers anesthesia. Canada, US
2
a specialist who administers an anesthetic to a patient before they are treated wordnet

"What made you want to become an anesthesiologist?"

From anesthesiology + -ist.