noun (n)

• a work of art (composition or drama) that is part of the standard repertory but has become hackneyed from much repetition(noun.artifact)

  source: wordnet30
• an experienced person who has been through many battles; someone who has given long service(noun.person)

  Synonym:
  old hand, old stager, old-timer, oldtimer, stager, veteran
  

  source: wordnet30
• horse used in war(noun.animal)

  source: wordnet30