A meeting or gathering where people study a common topic together; a study group or study meeting.
今週末、英語の勉強会に参加して会話を練習する予定です。
This weekend I plan to attend an English study group to practice conversation.
勉強会で資料を配って、最後に質問を受け付けます。
I'll hand out materials at the study meeting and take questions at the end.
大学のOBが主催する勉強会は毎回参加者が多い。
The study meetings hosted by the university alumni attract many participants each time.