brains
nounUK /breɪnz/
US /breɪnz/
The soft part inside your head that helps you think and learn.
Your brains help you solve puzzles and remember your friends' names.
OTHER MEANINGS
2. The organ inside the skull that controls the body.
The doctor showed us a picture of the brains of different animals.
3. A very smart person.
She is the brains of the group and always finds the answer.
4. The person who plans and leads an activity.
He was the brains behind the school fair.