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| brain [ brayn ] |
noun (plural brains) |
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| Definition: |
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1. organ of thought and feeling: the controlling center of the nervous system in vertebrates, connected to the spinal cord and enclosed in the cranium. It consists of a mass of nerve tissue and nerve-supporting and nourishing tissue neuroglia, is the center of thought and emotions, and regulates bodily activities.
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2. center of invertebrate nervous system: a nervous-system center in some invertebrates that is functionally similar to the brain in vertebrates
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3. mind: somebody's intellectual ability
  He's got a good brain.
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4. intelligence: somebody's natural intelligence
(
usually used in the plural
)
She's got brains as well as beauty.
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5. somebody intelligent: somebody very intelligent
(
informal
)
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6. most intelligent person in group: the person in a group who is considered the most intelligent and who devises plans or strategies for it
(
informal
)
(
usually used in the plural
)
Lee's the brains of the family.
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plural noun brains |
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| Definition: |
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animal's brain as food: the brain of an animal cooked and eaten as food
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transitive verb (past and past participle brained, present participle brain·ing, 3rd person present singular brains) |
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| Definition: |
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hit somebody on head: to hit somebody violently on the head
(
slang
)
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| [ Old English brægen< W Germanic] |
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have something on the brain to be obsessed with something (informal)
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pick somebody's brain to ask questions of somebody, in order to learn what he or she knows about something
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rack your brains to try very hard to remember something or solve a problem
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