1) the whole training and education of children (which relates
    to the cultivation of mind and morals, and employs for this
    purpose now commands and admonitions, now reproof and
    punishment) It also includes the training and care of the body
 2) whatever in adults also cultivates the soul, esp. by
    correcting mistakes and curbing passions.
    2a) instruction which aims at increasing virtue
    2b) chastisement, chastening, (of the evils with which God
        visits men for their amendment)