/pub'li kay"sheuhn/ , n.
1. the act of publishing a book, periodical, map, piece of music, engraving, or the like.
2. the act of bringing before the public; announcement.
3. the state or fact of being published.
4. something that is published, esp. a periodical.
[ 1350-1400; ME publicacioun publication- (s. of publicatio ) a making public, confiscation, equiv. to publicat ( us ) (ptp. of publicare to make PUBLIC) + -ion- -ION ]