lesson

/ˈlɛsn̩/noun

One unit of teaching or study, forming part of a larger course of learning.

Example sentence

“My piano lesson lasts an hour every Tuesday afternoon.”

'Learn your lesson' means to be changed by a bad experience. British English says 'lessons' where Americans might say 'class': piano lessons.

Related words

subjectWhat a piece of writing, a work of art, a conversation, or a field of study is about.examA short form of the verb examine: to look at something closely and carefully.universityA place of higher learning where people study, do research, and can earn bachelor's, graduate, and often professional degrees.homeworkSchool tasks a teacher gives students to complete outside of class, practicing what they learned.degreeA qualification awarded by a university or college to show that a course of study has been completed.classroomA room, usually in a school, where lessons are taught.