"leason" is probably misspelled. Trying lesson instead Definition of lesson
lesson has definitions from the fields of education,work
1
[ noun ] (work,education) a unit of instruction

Examples

"he took driving lessons"

2
[ noun ] punishment intended as a warning to others

Examples

"they decided to make an example of him"

3
[ noun ] the significance of a story or event

Synonyms

moral

Examples

"the moral of the story is to love thy neighbor"

4
[ noun ] (education) a task assigned for individual study

Examples

"he did the lesson for today"

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