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Definition brain in British English

brain noun

noun
/breɪn/
1

the organ inside your head that allows you to think and feel, and controls your body

Example

The human brain is divided into two halves.

Example

The illness had affected his brain.

Synonyms and related words
1.1

belonging to or connected with the brain

Example

a brain tumour/scan/operation

Example

brain activity/function

Synonyms and related words
1.2

the brain of an animal cooked and eaten as food

Synonyms and related words
Example

She felt that she could almost see his brain working.

Example

You have to use your brains in this job.

Example

He's good-looking, and he's got brains.

Synonyms and related words
3

to be extremely clever (originally said of Marvin the paranoid android in The Hitchhiker's Guide to the Galaxy)

Example

It's James, he has a brain the size of a planet!

Definition brain in British English