poster >> /ˈpoʊstər/
Definition: [noun] A large printed picture used for decoration.
Example: Art is not alien; we all have pictures, posters and decorations hanging on our walls at home.
Definition: [noun] A person who posts something online, as on a blog, social media website, or forum.
Example: Do a search and you will find newsgroups posters exclaiming the phrases and leaving puzzled and angry observers.
Definition: [intransitive verb] Put up posters in an area.
Example: they even got a little overzealous, and postered over some election signs