1. (n.) The act of publishing or making known; notification to the people at large, either by words, writing, or printing; proclamation; divulgation; promulgation; as, the publication of the law at Mount Sinai; the publication of the gospel; the publication of statutes or edicts.

2. (n.) The act of offering a book, pamphlet, engraving, etc., to the public by sale or by gratuitous distribution.

3. (n.) That which is published or made known; especially, any book, pamphlet, etc., offered for sale or to public notice; as, a daily or monthly publication.

4. (n.) An act done in public.