A lecture, address, or speech given publicly by a speaker to an audience.
大学で有名な作家の講演を聞いた。
I heard a lecture by a famous writer at the university.
講演の後で質疑応答の時間があった。
There was a Q&A session after the lecture.
市は防災についての講演会を開いた。
The city held a lecture on disaster preparedness.