老子

lǎozi
  1. father
  2. daddy
  3. "I, your father" (in anger, or out of contempt)
  4. I (used arrogantly or jocularly)

CEDICT

Homographs

老子 Lǎozǐ
  1. Laozi or Lao-tze (c. 500 BC), Chinese philosopher, the founder of Taoism
  2. the sacred book of Daoism, 道德经 Dàodéjīng by Laozi

Entry Composition

1 老 lǎo
  1. prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity
  2. old (of people)
  3. venerable (person)
  4. experienced
  5. of long standing
  6. always
  7. all the time
  8. of the past
  9. very
  10. outdated
  11. (of meat etc) tough
2 子 zi noun suffix, as in 椅子 yǐzi "chair"