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n. In occultism, the spirit of evil personified; the devil.

n. [capitalized] In zoology, a genus of marsupials, containing the ursine dasyure or Tasmanian devil, Dasyurus or Sarcophilus ursinus.

"But there is one thing far worse, one interval so dark, so demonic, so dissonant that it can only be called the diabolus in musica, the devil's interval."