poster

Definitions

General English

Commerce

  • noun a large eye-catching notice or advertisement which is stuck up outdoors or placed prominently inside a store

Media Studies

  • noun a printed picture, often a reproduction of a photograph or artwork, used for decoration
  • noun a bill or placard in a public place advertising something
  • noun somebody who places a message on a website

Publishing

  • noun a large notice or advertisement stuck to a wall or board
http://www.dictionarycentral.com/definition/poster.html