Lesson

/ˈlɛsən/

Meaning & Definition

noun
A period of instruction or teaching.
The math lesson was scheduled for two hours.
Something learned from an experience.
He learned a valuable lesson from his mistakes.
A division of a book or instructional material.
The first lesson in the textbook covers basic grammar.

Etymology

Middle English 'lessoun', from Old French 'leçon', from Latin 'lectio'.

Common Phrases and Expressions

lesson learned:
A realization gained from experience, especially from a past mistake.
private lesson:
An individual or one-on-one teaching session.
life lesson:
A significant insight or experience that teaches an important principle.
preparatory lesson:
A session designed to prepare students for a specific subject or topic.

Related Words

Slang Meanings

Dropping knowledge
After the argument, he really dropped some knowledge as a lesson to me.
Teach someone a lesson
His friends decided to teach him a lesson for being rude.