noun (n)

• the form in which a text (especially a printed book) is published(noun.communication)

  source: wordnet30
• all of the identical copies of something offered to the public at the same time(noun.group)

  Example:
  The first edition appeared in 1920.
  It was too late for the morning edition.
  They issued a limited edition of Bach recordings.
  

  source: wordnet30
• an issue of a newspaper(noun.communication)

  Example:
  He read it in yesterday's edition of the Times.
  

  source: wordnet30
• something a little different from others of the same type(noun.cognition)

  Example:
  The boy is a younger edition of his father.
  

  Synonym:
  variant, variation, version
  

  source: wordnet30
• A literary work edited and published, as by a certain editor or in a certain manner; as, a good edition of Chaucer; Chalmers' edition of Shakespeare.(noun)

  source: webster1913