poster Meaning, Definition & Usage

  1. noun a sign posted in a public place as an advertisement
    notice; placard; posting; bill; card.
    • a poster advertised the coming attractions
  2. noun someone who pastes up bills or placards on walls or billboards
    bill poster; bill sticker.
  3. noun a horse kept at an inn or post house for use by mail carriers or for rent to travelers
    post-horse; post horse.

WordNet

Post"er noun
Definitions
  1. A large bill or placard intended to be posted in public places.
  2. One who posts bills; a billposter.
Post"er noun
Definitions
  1. One who posts, or travels expeditiously; a courier. "Posters of the sea and land." Shak.
  2. A post horse. "Posters at full gallop." C. Lever.

Webster 1913