brain

brain1 [ breın ] noun ***

1. ) count the organ inside your head that allows you to think and feel, and controls your body:

The human brain is divided into two halves.

a ) only before noun belonging to or connected with the brain:

a brain tumor/scan/operation

brain activity/function

b ) brains plural the brain of an animal cooked and eaten as food

2. ) count often plural mental ability or intelligence:

You have to use your brains in this job.

have brains/a brain (=be intelligent): He's good-looking, and he's got brains.

a ) count an intelligent person:

The best brains in the country have failed to solve this problem.

beat/bash someone's brains out INFORMAL

to kill or badly injure someone by hitting their head very hard

the brains behind something

the person responsible for inventing, developing, or organizing something:

the brains behind the attack on the embassy

the brains of something

the most intelligent person involved in something:

Mary is the brains of the group.

have something on the brain INFORMAL

to be very interested in something, so that you keep thinking and talking about it:

He's got football on the brain.

pick someone's brains INFORMAL

to talk to someone who knows more about something than you do, in order to find out more about it:

He phoned to pick my brains about buying a new computer.

rack your brain(s)

to try very hard to remember something or to solve a problem:

I've racked my brain, but I just can't remember his name.

=> BLOW1

brain

brain 2 [ breın ] verb transitive INFORMAL

to hit someone very hard on the head