What does "brain surgery" mean?

Surgery on the brain or, loosely, any part of the nervous system.

What is a synonym for "brain surgery"?

Common synonyms include: neurosurgery.

noun

noun ·Rare ·Advanced level

Noun

1
Surgery on the brain or, loosely, any part of the nervous system. countable, uncountable, usually
2
any surgical procedure involving the brain wordnet
3
Anything overly complex, detailed, or confusing. excessive, idiomatic, uncountable, usually
"It's not brain surgery. Just screw in the bulb and flip the switch."

"It's not brain surgery. Just screw in the bulb and flip the switch."