INCUBI
INCUBUS
incubus
(noun) a male demon believed to lie on sleeping persons and to have sexual intercourse with sleeping women
incubus
(noun) someone who depresses or worries others
nightmare, incubus
(noun) a situation resembling a terrifying dream
Source: WordNet® 3.1
Noun
incubi
plural of incubus
Source: Wiktionary
INCUBUS
In"cu*bus, n.; pl. E. Incubuses, L. Incubi. Etym: [L., the nightmare.
Cf. Incubate.]
1. A demon; a fiend; a lascivious spirit, supposed to have sexual
intercourse with women by night. Tylor.
The devils who appeared in the female form were generally called
succubi; those who appeared like men incubi, though this distinction
was not always preserved. Lecky.
2. (Med.)
Definition: The nightmare. See Nightmare.
Such as are troubled with incubus, or witch-ridden, as we call it.
Burton.
3. Any oppressive encumbrance or burden; anything that prevents the
free use of the faculties.
Debt and usury is the incubus which weighs most heavily on the
agricultural resources of Turkey. J. L. Farley.
Source: Webster’s Unabridged Dictionary 1913 Edition