lecture
nounUK /ˈlektʃə/
US /ˈlektʃər/
A talk where someone teaches a group of people about something.
The teacher gave a lecture about dinosaurs.
OTHER MEANINGS
2. A serious talk that tells someone they did something wrong.
My mom gave me a lecture about being late.
3. To give a talk to teach people about something.
She lectures at the university.
4. To scold or warn someone for a long time.
He lectured his brother about spending money.