D defs.my
Entry 1 sense Webster, 1913

Demogorgon

/(dē"mō̇*gôr*gŏn [or] dĕm"ō̇-)/ · De·mo·gor·gon · IPA
01 n. A mysterious, terrible, and evil divinity, regarded by some as the author of creation, by others as a great magician who was supposed to co…
  1. 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. See: Gorgon
    “Orcus and Ades, and the dreaded name Of Demogorgon.” Milton.