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brain - definition and synonyms


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noun brain pronunciation in American English /breɪn/
Word Forms
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  1. 1
    [countable] the organ inside your head that allows you to think and feel, and controls your body
    The human brain is divided into two halves.
    1. a.
      [only before noun] belonging to or connected with the brain
      a brain tumor/scan/operation
      brain activity/function
    2. b.


      [plural] the brain of an animal cooked and eaten as food
      Synonyms and related words
  2. 2
    [countable] [often plural] mental ability or intelligence
    You have to use your brains in this job.
    have brains/a brain (=be intelligent): He’s good-looking, and he has brains.
    1. a.
      [countable] an intelligent person
      The best brains in the country have failed to solve this problem.


a meal served in the evening which consists of foods traditionally eaten at breakfast

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