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