the GNU version of the Collaborative International Dictionary of English
n. A female demon or fiend. See succubus.
The Century Dictionary and Cyclopedia
n. A female demon fabled to have sexual connection with men in their sleep.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a female demon believed to have sexual intercourse with sleeping men
Word Usage
"But there were other times at night when his defeated desire came and lay in his arms like an invisible unyielding succuba, torturing, maddening, driving him back to the street to drink until drunken sleep came with its sudden brutal mercy."