'Poster' definitions:

Definition of 'poster'

From: WordNet
noun
A sign posted in a public place as an advertisement; "a poster advertised the coming attractions" [syn: poster, posting, placard, notice, bill, card]
noun
Someone who pastes up bills or placards on walls or billboards [syn: bill poster, poster, bill sticker]
noun
A horse kept at an inn or post house for use by mail carriers or for rent to travelers [syn: post horse, post-horse, poster]

Definition of 'Poster'

From: GCIDE
  • Poster \Post"er\, n.
  • 1. A large bill or placard intended to be posted in public places. [1913 Webster]
  • 2. One who posts bills; a billposter. [1913 Webster]

Definition of 'Poster'

From: GCIDE
  • Poster \Post"er\, n.
  • 1. One who posts, or travels expeditiously; a courier. "Posters of the sea and land." --Shak. [1913 Webster]
  • 2. A post horse. "Posters at full gallop." --C. Lever. [1913 Webster]

Synonyms of 'poster'

From: Moby Thesaurus