n. 女妖, 魔鬼, 妓女

[医] 男梦魔, 男魇魔

[ noun ]
a female demon believed to have sexual intercourse with sleeping men
<noun.person>

Succubus \Suc"cu*bus\, n.; pl. {Succubi}. [See {Succuba}.]
1. A demon or fiend; especially, a lascivious spirit supposed
to have sexual intercourse with the men by night; a
succuba. Cf. {Incubus}.

2. (Med.) The nightmare. See {Nightmare}, 2.