人丁

réndīng
  1. number of people in a family
  2. population
  3. (old) adult males
  4. male servants

CEDICT

old

Entry Composition

1 人 rén person; people

classifiers: 個, 位
2 丁 dīng
  1. male adult
  2. the 4th of the 10 Heavenly Stems 天干 tiāngān
  3. fourth (used like "4" or "D")
  4. small cube of meat or vegetable
  5. (literary) to encounter
  6. (archaic) ancient Chinese compass point: 195°
  7. (chemistry) butyl