a course (via lectures or correspondence) for adults who are not otherwise engaged in formal study

Plural form of lecture, verb_ Third-person singular simple present indicative form of lecture

A spoken lesson or exposition, usually delivered to group, teaching by giving a discourse on some subject (typically to a class), A berating or scolding, verb_ To berate, to scold, deliver a lecture or talk, censure severely or angrily, transitive verb_ To reprove formally and with authority, To read or deliver a lecture to, intransitive verb_ To deliver a lecture or series of lectures, To deliver a lecture to (a class or audience)