Noah Webster's New International Dictionary of the English Language

1. (n.) The act of reading; as, the lecture of Holy Scripture.

2. (n.) A discourse on any subject; especially, a formal or methodical discourse, intended for instruction; sometimes, a familiar discourse, in contrast with a sermon.

3. (n.) A reprimand or formal reproof from one having authority.

4. (n.) A rehearsal of a lesson.

5. (v. t.) To read or deliver a lecture to.

6. (v. t.) To reprove formally and with authority.

7. (v. i.) To deliver a lecture or lectures.