n. The twelfth astrological House, from which only evil prognostics are alleged to proceed.
the GNU version of the Collaborative International Dictionary of English
n. An evil spirit; a devil or demon.
n. The nightmare.
The Century Dictionary and Cyclopedia
n. An evil spirit; a devil.
n. In medicine, the nightmare.
n. In astrology, the twelfth house of a scheme or figure of the heavens: so called from its signifying dreadful things, such as secret enemies, great losses, imprisonment, etc.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an evil spirit
Word Usage
"But his cacodemon is puny and he himself absolutely crumples once in Fillory."