n. The act of publishing, or bringing to public notice; notification to people at large, by speech, writing, or printing; proclamation; promulgation; announcement: as, the publication of statutes; publication of banns.n. The act of offering a book, map, print, piece of music, or the like, to the public by sale or by gratuitous distribution.n. A work printed and published; any book, pamphlet, or periodical offered for sale to the public: as, a monthly publication; an illustrated publication.n. 4. Appearance in public; public appearance.n. In systematic biol., the distribution, in print, of the name of a species, genus, or other biological group, in accordance with certain technical requirements.