Definition of: lecture

(lek′chər) noun
1. A discourse delivered aloud for instruction or entertainment.
2. A formal reproof; reprimand.
—v. ·tured, ·tur·ing v.t.
1. To deliver lectures to; instruct by lecturing.
2. To rebuke or castigate authoritatively or at length.
—v.i.
3. To give a lecture. [<L lectura an act of reading <lectus, pp. of legere read]
—lec′tur·er noun