brainbox

noun brain·box \ ˈbrān-ˌbäks \
variants: or brain box

Definition of brainbox

plural brainboxes or brain boxes
informal
1 a : cranium, braincase
  • Your brain box is about to whack the pavement—hard!
  • Consumer ReportsJuly/August 1996
b : mind, brain
  • And why did everyone insist on reminding him of his ex-wife? Because all it did was bring her right back into his head again, back into the old brainbox, where she'd always done the most damage.
  • —Robert McCarthyZoetrope: All-StorySpring 2005
2 chiefly British : a very intelligent person
  • I was good at school; I was a total brain box. At a small town school, being brainy was not necessarily an asset.
  • —Karine Polwartquoted in The (London) Times Educational Supplement15 Feb. 2013

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First Known Use of brainbox

1789


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