Definition of lesson noun from the Oxford Advanced Learner's Dictionary

Oxford3000

lesson

noun
ˈlesn
 
; ˈlesn
 
 
1 a period of time in which somebody is taught somethingShe gives piano lessons.All new students are given lessons in/on how to use the library.I'm having/taking driving lessons. (especially British English) Our first lesson on Tuesdays is French. (especially British English) What did we do last lesson? compare class2 something that is intended to be learnedThe course book is divided into 30 lessons.Other countries can teach us a lesson or two on industrial policy.3 an experience, especially an unpleasant one, that somebody can learn from so that it does not happen again in the futurea salutary lessonThe accident taught me a lesson I'll never forget.We are still absorbing the harsh lessons of this disaster.It was a lesson not lost on (= learned well by) the team manager.lesson to somebody Let that be a lesson to you(= so that you do not make the same mistake again).Their openness was a terrific lesson to me. see also object lesson4 a passage from the Bible that is read to people during a church serviceThe first lesson is taken from St John's Gospel.
Idioms
see
learn your lesson at learn
Usage noteUsage note: EducationLearningacquire/get/lack (an) education/training/(British English) (some) qualificationsreceive/provide somebody with training/tuitiondevelop/design/plan a curriculum/(especially British English) course/(North American English) program/syllabusgive/go to/attend a class/lesson/lecture/seminarhold/run/conduct a class/seminar/workshopsign up for/take a course/classes/lessonsSchoolgo to/start preschool/kindergarten/nursery schoolbe in the first, second, etc. (North American English) grade/(especially British English) year (at school)study/take/drop history/chemistry/German, etc.(British English) leave/finish/drop out of/(North American English) quit school(North American English) graduate high school/collegeProblems at schoolbe the victim/target of bullying(British English) play truant from/(both British English, informal) bunk off/skive off school (= not go to school when you should)(both especially North American English) skip/cut class/school(British English) cheat in/(North American English) cheat on an exam/a testget/be given a detention (for doing something)be expelled from/be suspended from schoolWork and examsdo your homework/(British English) revision/a project on somethingwork on/write/do/submit an essay/a dissertation/a thesis/an assignment/(North American English) a paperfinish/complete your dissertation/thesis/studies/courseworkhand in/(North American English) turn in your homework/essay/assignment/paperstudy/prepare/(British English) revise/(North American English) review/(North American English, informal) cram for a test/an examtake/(both British English) do/sit a test/an exam(especially British English) mark/(especially North American English) grade homework/a test(British English) do well in/(North American English) do well on/(informal, especially North American English) ace a test/an exampass/fail/(informal, especially North American English) flunk a test/an exam/a class/a course/a subjectUniversityapply to/get into/go to/start college/(British English) universityleave/graduate from law school/college/(British English) university (with a degree in computer science)study for/take/(British English) do/complete a law degree/a degree in physics(both North American English) major/minor in biology/philosophyearn/receive/be awarded/get/have/hold a master's degree/a bachelor's degree/a PhD in economics