户口

戶口
hùkǒu
  1. population (counted as number of households for census or taxation)
  2. registered residence
  3. residence permit
  4. (in Hong Kong and Macau) bank account

CEDICT

Entry Composition

1 户 hù
  1. a household
  2. door
  3. family
2 口 kǒu
  1. mouth
  2. classifier for things with mouths (people, domestic animals, cannons, wells etc)
  3. classifier for bites or mouthfuls