noun

brain

brain, intellect, mind

The human brain is very complex.

The human brain is very complex.

She has a good brain for business.

She has a good brain for business.

((a/the)) brain the organ in the head The human brain is a powerful organ.

((a)) brain ((for sth.)) an aptitude for something He has a brain for numbers.

Synonyms: mind, intellect, cerebrum

From Old English 'brægen', related to words for 'brain' in other Germanic languages.

Picture the brain as the central computer or CPU inside your head that controls everything.

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