Meaning

3 senses
  1. The cavity of the skull in which the brain is contained.

    Holonyms: skull, cranium < head

  2. (slang)The skull; the head.

  3. (slang)A very intelligent person.

Origin

From brain + box.

From brain + box.

Wiktionary, CC BY-SA 4.0 · source

brainbox — meaning, examples, forms, synonyms | Krumeto