brain
- Top 3000

Sense 1
- noun
- A1
The soft pink and grey organ inside your head that lets you think, feel and move.
The human brain keeps working while we are fast asleep.
A scan showed no damage to his brain after the accident.
Your brain uses a surprising amount of energy every single day.
Common collocations: the human brain · brain damage · brain cells · the left side of the brain
Part of: Parts of the body

Sense 2 · less common
- noun
- B1
The ability to think well and understand things quickly.
She has the brains to solve problems nobody else understands.
Use your brain and read the question again more carefully.
He racked his brains for that name the whole evening.
Common collocations: use your brain · have brains · the brains behind something · rack your brains
Part of: Personality