lesson lesson /ˈlɛsən/

noun

1. () A unit of instruction  ( lesson )
   a unit of instruction
    He took driving lessons
   he took driving lessons
   
   
2. () The significance of a story or event  ( moral , lesson )
   the significance of a story or event
    The moral of the story is to love thy neighbor
   the moral of the story is to love thy neighbor
   
3. () Punishment intended as a warning to others  ( deterrent example , object lesson , example , lesson )
   punishment intended as a warning to others
    They decided to make an example of him
   they decided to make an example of him
   
4. () A task assigned for individual study  ( lesson )
   a task assigned for individual study
    He did the lesson for today
   he did the lesson for today