noun
small-scale communication; grassroots media; local or limited-circulation publication
Refers to communication or media aimed at a small, local, or specialized audience, often through newsletters, pamphlets, small magazines, or community information networks.
wasei-eigo (Japanese-coined English), from mini communication
学生たちはミニコミを作って、学内の問題を取り上げた。
The students made a small-circulation publication and took up issues on campus.
地域のミニコミ誌にイベントの案内が載った。
An announcement for the event appeared in the local community magazine.