brainbox

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English[edit]

Etymology[edit]

brain +‎ box

Pronunciation[edit]

  • (file)

Noun[edit]

brainbox (plural brainboxes)

  1. The cavity of the skull in which the brain is contained.
    • 1985, J.D. McDonald, Australian Birds: A Popular Guide to Bird Life, Sydney: Reed Books, page 142:
      The compromise was to use as much of the skull as possible by pushing the eyes in towards the centre, and relegating the brain box to the rear.
  2. (slang) A very intelligent person.
  3. (slang) The head or skull (which encloses the brain).

Synonyms[edit]