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]

Moby Thesaurus II by Grady Ward, 1.0:

82 Moby Thesaurus words for "concupiscence":
   andromania, animality, aphrodisia, ardor, bawdiness,
   biological urge, bodily appetite, carnal desire, carnality,
   clitoromania, curiosity, desideration, desire, dirtiness, drive,
   eagerness, eromania, eroticism, eroticomania, eroticomaniac,
   erotism, erotomania, fancy, fantasy, fleshliness, fleshly lust,
   furor uterinus, goatishness, gynecomania, hope, horme, horniness,
   hot blood, hot pants, hysteromania, indecency, infantile sexuality,
   intellectual curiosity, itch, lasciviousness, lecherousness,
   lechery, lewdness, libidinousness, libido, lickerishness,
   lubriciousness, lubricity, lust, lust for learning, lustfulness,
   mind, need, nymphomania, obscenity, passion, pleasure,
   pleasure principle, polymorphous perversity, prurience, pruriency,
   randiness, salaciousness, salacity, satyriasis, satyrism,
   sensuality, sexiness, sexual desire, sexual longing,
   sexual passion, sexuality, thirst for knowledge, urge, uteromania,
   venereal appetite, want, wanting, will, will and pleasure, wish,
   wish fulfillment



Easton's 1897 Bible Dictionary:

Concupiscence
   desire, Rom. 7:8 (R.V., "coveting"); Col. 3:5 (R.V., "desire").
   The "lust of concupiscence" (1 Thess. 4:5; R.V., "passion of
   lust") denotes evil desire, indwelling sin.