Definition of vampire

  1. vampire Noun A mythological undead creature said to feed on human blood.
  2. vampire Noun A person with the medical condition Systemic lupus erythematosus, colloquially known as vampirism, with effects such as photosensitivity, brownish-red stained teeth, and increased night vision.
  3. vampire Noun A blood-sucking bat; vampire bat ("Desmodus rotundus")
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