D defs.my
Entry 2 senses Webster, 1913

Succubus

· Suc·cu·bus · IPA /ˈsʌk.jʊ.bəs/
01 n. A demon or fiend; especially, a lascivious spirit supposed to have sexual intercourse with the men by night; a succuba. Cf. Incubus.
pl. Succubi ((#))
  1. 1.
    A demon or fiend; especially, a lascivious spirit supposed to have sexual intercourse with the men by night; a succuba. Cf. Incubus. See: Incubus
  2. 2.
    The nightmare. See Nightmare, 2.(Med.) See: Nightmare