quarterly magazine; quarterly journal
A magazine or journal published four times a year.
この季刊誌は毎年三月、六月、九月、十二月に発行される。
This quarterly magazine is published every March, June, September, and December.
週刊誌 is a weekly magazine, while 季刊誌 is published quarterly.
週刊誌 is published weekly, whereas 季刊誌 is published only four times a year.
Formed from 季刊, “quarterly publication,” and 誌, “magazine or journal.”