Thayer's Greek Lexicon

 1. to train children
  1) to be instructed or taught or learn
  2) to cause one to learn
2. to chastise
  1) to chastise or castigate with words, to correct
2a1. of those who are moulding the character of others by
reproof and admonition
  2) of God
2b1. to chasten by the affliction of evils and calamities
  3) to chastise with blows, to scourge
2c1. of a father punishing his son
2c2. of a judge ordering one to be scourged