Definition of lecture

• n. - The act of reading; as, the lecture of Holy Scripture.
• n. - A discourse on any subject; especially, a formal or methodical discourse, intended for instruction; sometimes, a familiar discourse, in contrast with a sermon.
• n. - A reprimand or formal reproof from one having authority.
• n. - A rehearsal of a lesson.
• v. t. - To read or deliver a lecture to.
• v. t. - To reprove formally and with authority.
• v. i. - To deliver a lecture or lectures.