lecture

a speech that is open to the public; "he attended a lecture on telecommunications"

a lengthy rebuke; "a good lecture was my father's idea of discipline"; "the teacher gave him a talking to"

teaching by giving a discourse on some subject (typically to a class)

deliver a lecture or talk; "She will talk at Rutgers next week"; "Did you ever lecture at Harvard?"

censure severely or angrily; "The mother scolded the child for entering a stranger's car"; "The deputy ragged the Prime Minister"; "The customer dressed down the waiter for bringing cold soup"