Common loanword for a structured learning session, such as a music, language, or private tutoring lesson.
毎週土曜日にピアノのレッスンを受けています。
I take a piano lesson every Saturday.
今日のレッスンはここまでです。
That's all for today's lesson.
I take piano lessons every week.
My daughter regularly attends ballet lessons.
I booked a lesson for next Wednesday.
I skipped my lesson because I felt sick.
one-on-one lesson; private lesson