Brain

/breɪn/

Meaning & Definition

noun
The organ inside the head that controls thought, memory, feelings, and activity.
The brain is responsible for coordinating all bodily functions.
A person considered as having great intelligence or skill in a particular area.
She is the brain behind the successful marketing campaign.
A group of experts or body of people engaged in the study or development of a particular subject.
The researchers are part of a think tank that acts as the brain of the project.
The central part of something; the core of a system.
The software serves as the brain of the automated system.

Etymology

Middle English brayn, from Old English brægen; probably of Germanic origin.

Common Phrases and Expressions

brain storming
A group activity where individuals generate ideas and solutions.
use your brain
To think logically or analytically about a situation.
brain drain
The departure of educated or professional individuals for better opportunities elsewhere.
pick someone's brain
To ask someone for their insights or expertise on a topic.
no-brainer
A decision or choice that is very easy or obvious.

Related Words

cognition
The mental action or process of acquiring knowledge and understanding.
neuroscience
The scientific study of the nervous system, especially the brain.
intelligence
The ability to acquire and apply knowledge and skills.
memory
The faculty by which the mind stores and remembers information.
psychology
The scientific study of the human mind and its functions.

Slang Meanings

To think or to formulate ideas.
I need to brain a bit before making my decision.
Denotes someone acting foolishly.
Stop acting like a brain! Think before you speak.
Refers to someone extremely intelligent.
He's a total brain when it comes to coding.