Pornography

n.
  1. Licentious painting or literature; especially, the painting anciently employed to decorate the walls of rooms devoted to bacchanalian orgies.
  2. (Med.) A treatise on prostitutes, or prostitution.
  3. obscene pictures, writings, drawings, motion pictures, videos, or the like intended primarily to cause sexual arousal and having little or no artistic merit; also, the content of such materials.