1. A large printed sheet designed to be attached to a wall for decoration or information
   "The student had a poster of the periodic table above their desk"
    
2. A sign posted in a public place as an advertisement
   "a poster advertised the coming attractions";
   - posting, placard, notice, bill, card
    
3. Someone who pastes up bills or placards on walls or billboards
   "The bill poster worked through the night to cover the city with advertisements for the upcoming concert";
   - bill poster, bill sticker
    
4. Someone who sends a message to an internet discussion forum, blog, newsgroup, mailing list, etc.
   "The forum moderator warned the poster about violating community guidelines"
    
5. [archaic] A horse kept at an inn or post house for use by mail carriers or for rent to travellers
   "The weary messenger changed to a fresh poster for the next leg of his journey";
   - post horse [archaic], post-horse

1. Put up posters; advertise with posters
   "They postered the entire campus to promote the upcoming event"

Derived forms: posters, postering, postered

Type of: Equus caballus, horse, hoss [US, informal], sign, worker

Encyclopedia: Poster, Steven