Wicked or malevolent spirit as opposed to agathodemon (a good spirit).(noun)
Twelfth astrological House, from which only evil prognostics are alleged to proceed.(noun)
Nightmare(noun)
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Use "cacodaemon" in a sentence
"Pipes entered into this opinion the more willingly, as he had all along believed the senior to be a sort of wizard, or some cacodaemon, whom it was not very creditable to be acquainted with."
""And just when I had got it nearly ashore, by the very place where you are sitting, on that shelving bank, young man, the line broke, and the perch twisted himself among those roots, and -- cacodaemon that he was -- ran off, hook and all."