Read the dictionary definition of lecture. All definitions for this word.
1. teaching by giving a discourse on some subject (typically to a class)
2. a lengthy rebuke
1. a good lecture was my father's idea of discipline
2. the teacher gave him a talking to
3. a speech that is open to the public
1. he attended a lecture on telecommunications
4. censure severely or angrily
1. The mother scolded the child for entering a stranger's car
2. The deputy ragged the Prime Minister
3. The customer dressed down the waiter for bringing cold soup
5. deliver a lecture or talk
1. She will talk at Rutgers next week
2. Did you ever lecture at Harvard?