A publication issued every month; a monthly edition (e.g., a monthly magazine or bulletin).
その作家は有名な月刊誌に連載を持っている。
That writer has a serialization in a well-known monthly magazine.
月刊の会報は毎月第一月曜日に配布される。
The monthly bulletin is distributed on the first Monday of every month.
この月刊誌の最新号を図書館で見つけた。
I found the latest issue of this monthly magazine at the library.