From Longman Dictionary of Contemporary Englishsuccubussuc‧cu‧bus /ˈsʌkjəbəs/ noun (plural succubi /-baɪ/) [countable] a female devil that in the past was believed to have sex with a sleeping man
Examples from the Corpus
succubus• He licked his lips and looked at my laughing mouth. Succubus, he whispered.• Bliss, his reptilian face suggested, was what he expected to find with this succubus at the top of the stairs.Origin succubus (1300-1400) Medieval Latin Late Latin succuba “prostitute”, from Latin succubare “to lie under”, from sub- ( → SUB-) + cubare “to lie” 