noun a severe lecture; reproof; rebuke; warning.
2. lesson ·noun an exercise; a composition serving an educational purpose; a study.
3. lesson ·vt to teach; to instruct.
4. lesson ·noun a portion of scripture read in divine service for instruction; as, here endeth the first lesson.
5. lesson ·noun anything read or recited to a teacher by a pupil or learner; something, as a portion of a book, assigned to a pupil to be studied or learned at one time.
6. lesson ·noun that which is learned or taught by an express effort; instruction derived from precept, experience, observation, or deduction; a precept; a doctrine; as, to take or give a lesson in drawing.