Definition of Lesson

Noun: lesson le-sun

A unit of instruction
"he took driving lessons"
Punishment intended as a warning to others
"they decided to make an object lesson of him";
- example, deterrent example, object lesson
The significance of a story or event
"the lesson of the story is to love thy neighbour";
- moral
A task assigned for individual study
"he did the lesson for today"
A section of the Bible or other religious text read as part of a service