demogorgon Meaning, Definition & Usage

  1. noun (Greek mythology) a mysterious and terrifying deity of the underworld

WordNet


De`mo*gor"gon noun
Etymology
First me the scholiast, , deity + gorgo`s fierce,
Definitions
  1. , A mysterious, terrible, and evil divinity, regarded by some as the author of creation, by others as a great magician who was supposed to command the spirits of the lower world. See Gorgon.
    Orcus and Ades, and the dreaded name Of Demogorgon. Milton.

Webster 1913