succubus

A female demon supposed to descend upon and have sexual intercourse with a man while he sleeps.

An evil spirit; a demon.

A demon fabled to have sexual intercourse with human beings in their sleep.

A demon or fiend; especially, a lascivious spirit supposed to have sexual intercourse with the men by night; a succuba. Cf. incubus.

The nightmare. See Nightmare, 2.

A female demon which comes to men, especially monks, in their dreams to seduce them and have sexual intercourse, drawing energy from the men to sustain themselves, often until the point of exhaustion or death.

A strumpet, whore or prostitute.

a female demon believed to have sexual intercourse with sleeping men