lesson
nounUK /ˈles.ən/
US /ˈles.ən/
A lesson is a time when you learn something.
We have a math lesson every morning.
OTHER MEANINGS
2. A thing you learn from a mistake or an experience.
Losing the game taught him a lesson about practice.
3. A short reading from a book, often in church.
She read the lesson from the Bible.
4. A piece of advice or a warning given to someone.
The coach gave the team a lesson on teamwork.