noun (n)

• witty language used to convey insults or scorn(noun.communication)

  Example:
  Satire is a sort of glass, wherein beholders do generally discover everybody's face but their own.
  

  Synonym:
  caustic remark, irony, sarcasm
  

  source: wordnet30
• A composition, generally poetical, holding up vice or folly to reprobation; a keen or severe exposure of what in public or private morals deserves rebuke; an invective poem; as, the Satires of Juvenal.(noun)

  source: webster1913