brain
Pronunciation
Noun
A1 Beginner
Quick answer
The organ inside the head that controls thinking, memory, and the rest of the body.
Usage notes
Informally used to mean intelligence, as in "use your brain".
Test yourself
Which word fits the gap? "The _____ uses a surprisingly large amount of the body's energy."
Answer: brain
In your own words, what does "brain" mean?
The organ inside the head that controls thinking, memory, and the rest of the body.
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