brain · noun C /breɪn/Full view
brain (BODY PART)
A2 the body part inside your head that controls thought, memory, feelings and activity
Dictionary examples:

He studies the brain and nervous system.

The brain needs oxygen, which it gets from the blood circulating through it.

brain injury/damage

brain cells

Learner example:

The class starts at 3:00 and ends at 4:00. You don't need to bring any thing but yourself; your clothes and your brain. (Key English Test; A2; Thai)

brain (INTELLIGENCE)
C1 used to refer to intelligence
Dictionary examples:

She's the brains behind our software development.

Anybody with any brains would know better then to do that!

He has brains, looks, and good manners.

Learner example:

I would have to do my best to teach my children how to use their brains more instead of using technology system like computer. (Certificate in Advanced English; C1; French)

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