noun
club journal; club magazine
A publication produced by a school or university club, often containing member contributions, activity reports, or creative works.
文芸部の部誌に短編小説を投稿した。
I submitted a short story to the literary club's journal.
部誌の編集は部員全員で行っている。
All club members work together to edit the club magazine.
Compound of 部 (ぶ, 'club') and 誌 (し, 'magazine' or 'journal'). The reading is straightforward on'yomi.