季刊 (kikan) means “quarterly publication”

More examples

その広報誌は季刊で、次号は三か月後です。so no kō hō shi wa ki kan de ji gō wa san ka getsu go de su

That newsletter is published quarterly, and the next issue will be in three months.

Refers to a publication that appears at intervals of about three months, with one issue assigned to each season.

季刊誌kikanshi: A magazine or journal published once every three months.

季節ごとに一度、年間四回発行する出版物。ki setsu go to ni ichi do nen kan shi kai hak kō su ru shup pan butsu

季刊 (kikan, "seasonal publication") is a Sino-Japanese compound of 季 (ki, "season") and 刊 (kan, "publishing").

The English word quarterly works as both an adjective for a four-times-a-year schedule and a noun for the publication following that schedule.