A seminar (abbreviation of 'seminar') — a small-group university class or research/discussion group, often centered on student presentations and supervision.
来週のゼミで卒業研究の中間発表をする予定だ。
I'm scheduled to give a midterm presentation on my graduation research at next week's seminar.
ゼミの教授に論文の相談をした。
I consulted my seminar professor about my paper.
ゼミ生としてフィールドワークに参加した。
I participated in fieldwork as a member of the seminar.