A lecture is a formal talk or presentation given by an expert or teacher to an audience. It is intended to share knowledge or information on a specific topic. Full definition
The school will be based on lectures on theoretical aspects of atmosphere, ocean and climate dynamics, with a focus on the present state of established knowledge and relevant mechanisms. (wgne.meteoinfo.ru)
Go to any art school today and you will see a majority of young Asian women (I have given lectures at numerous schools). (canadianart.ca)
The former was a series of lectures in a university setting. (religion-online.org)