brain Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "brain" - English Dictionary

See all translations

brainnoun

uk   us   /breɪn/
A2 [C] the organ inside the head that controls thought, memory, feelings, and activity: Doctors tried desperately to reduce the swelling in her brain. The accident left him with permanent brain damage. His wife died from a brain tumour.C1 [C] used to refer to intelligence: Marie has an amazing brain (= is very intelligent). That can't possibly be the right way to do it - use your brain! The poor child inherited his mother's brains and his father's looks. He's got brains but he's too lazy to use them (= he is intelligent but lazy). [C usually plural] informal a very intelligent person, especially one who has spent a lot of time studying: We have the best brains in the land working on this problem.the brains [S] the most intelligent person in a group, especially the person who plans what the group will do: My little brother's the brains of the family.
More examples

brainverb [T]

uk   us   /breɪn/ informal
to hit someone on the head: I'll brain you if you don't keep quiet.
(Definition of brain from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of brain?
Add Cambridge dictionaries to your browser to your website

Definitions of “brain” in other dictionaries

Word of the Day
athlete

a person who is very good at sports or physical exercise, especially one who competes in organized events

Word of the Day

When’s dinner? (Words for different meals)
When’s dinner? (Words for different meals)
by Kate Woodford,
July 22, 2015
Here at ‘About Words’ we’re always happy to get ideas for posts that we could write. A reader of this blog recently asked for a post on the language of meals and we thought this an excellent idea. If you are reading this post and have an idea for a topic or

Read More 

exoskeleton noun
exoskeleton noun
July 27, 2015
a robotic device which goes around the legs and part of the body of a person who cannot walk and allows them to move independently and in an upright position The device, known as an exoskeleton, is strapped to the outside of a person’s limbs and can then be controlled by them.

Read More