An "annual lecture" refers to a talk or presentation that happens once every year. It is a recurring event where someone gives a speech or educates others on a specific topic.
Sentences with «annual lecture»
Annual lecture series featuring materials science and mechanical engineering scholars from across the globe. (seas.harvard.edu)
This is the ninth annual lecture in the series. (dma.org)
It's the first in a new annual lecture.... (firstthings.com)