當頭

当头
dàngtou
(coll.) pledge; surety

CEDICT

colloquial

Homographs

當頭 dāngtóu
  1. coming right into one's face
  2. imminent
  3. to put first

Entry Composition

1 當 dàng
  1. at or in the very same...
  2. suitable
  3. adequate
  4. fitting
  5. proper
  6. to replace
  7. to regard as
  8. to think
  9. to pawn
  10. (coll.) to fail (a student)
2 頭 tou suffix for nouns