Difference between Lecture and Lecturing

Lecture

Part of speech: noun

Definition: A spoken lesson or exposition, usually delivered to group.

Part of speech: verb

Definition: To teach, by giving a speech on a given topic. To berate, to scold.

Example sentence: When I give a lecture, I accept that people look at their watches, but what I do not tolerate is when they look at it and raise it to their ear to find out if it stopped.

Lecturing

Part of speech: verb

Definition: To teach (somebody) by giving a speech on a given topic.