The Collaborative International Dictionary of English v.0.48:

Concupiscence \Con*cu"pis*cence\, n. [F., fr. L.
   concupiscentia.]
   Sexual lust; morbid carnal passion.
   [1913 Webster]

         Concupiscence like a pestilence walketh in darkness.
                                                  --Horne.
   [1913 Webster]

WordNet (r) 3.0 (2006):

concupiscence
    n 1: a desire for sexual intimacy [syn: sexual desire, eros,
         concupiscence, physical attraction]