Bedeutung von “lesson” im Essential American English Dictionary

lesson

noun us /ˈles·ən/

A1 a period of time when a teacher teaches people:

I am taking / guitar lessons.
Lessons start at 9 a.m.
teach someone a lesson

to punish someone so that he or shewill not behave badly again

(Definition von “lesson” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)