post ‧ er S3 /ˈpəʊstə $ ˈpoʊstər/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Origin: ↑ post 2 (1) ]
a large printed notice, picture, or photograph, used to advertise something or as a decoration:
A team of volunteers were putting up posters.
a poster campaign for the election
poster for
the poster for the exhibition
poster of
posters of old movie stars