Definition 4: a copy of a printed work offered for distribution - [noun denoting communication]
(publication is a kind of ...) a product produced or accomplished through the effort or activity or agency of a person or thing
"it is not regarded as one of his more memorable works""the symphony was hailed as an ingenious work""he was indebted to the pioneering work of John Dewey""the work of an active imagination""erosion is the work of wind or water over time"
(... is a kind of publication ) a publication containing the latest information or tips or predictions for a particular business or stock market information or horse racing results, etc.
(... is a kind of publication ) a periodic publication containing pictures and stories and articles of interest to those who purchase it or subscribe to it
"it takes several years before a magazine starts to break even or make money"