The American HeritageĀ® Dictionary of the English Language, 4th Edition
n. An inexpensively produced, self-published, underground publication: I often contributed cartoons and essays to other people's 'zines, so why didn't I just buckle down and start my own? ( Pagan Kennedy).
n. A low-circulation, non-commercial publication of original or appropriated texts and images, especially one of minority interest.
the GNU version of the Collaborative International Dictionary of English
n. A publication similar to a magazine{4} but in electronic rather than printed form, maintained as data files on a computer and accessible via the world wide web.
Word Usage
"I've had an embarrassment of riches come my way, great stories and poems from talented writers, and the zine is a little full-up at the moment."