頭腦

头脑
tóunǎo
  1. brains
  2. mind
  3. skull
  4. (fig.) gist (of a matter)
  5. leader
  6. boss

CEDICT

Entry Composition

=1 頭 tóu
  1. head
  2. hair style
  3. the top
  4. end
  5. beginning or end
  6. a stub
  7. remnant
  8. chief
  9. boss
  10. side
  11. aspect
  12. first
  13. leading
  14. classifier for pigs or livestock

classifier: 個
=1 頭 tou suffix for nouns
2 腦 nǎo
  1. brain
  2. mind
  3. head
  4. essence