a discourse or address; a talk; a writing; as, the sermons of chaucer.-specifically, a discourse delivered in public, usually by a clergyman, for the purpose of religious instruction and grounded on some text or passage of scripture.-hence, a serious address; a lecture on one's conduct or duty; an exhortation or reproof; a homily; -- often in a depreciatory sense.-to speak; to discourse; to compose or deliver a sermon.-to discourse to or of, as in a sermon.-to tutor; to lecture.