1. strong sexual desire; lust:formal"St. Anthony's battle with concupiscence"
Word OriginMiddle English: via Old French from late Latin concupiscentia, from Latin concupiscent- ‘beginning to desire’, from the verb concupiscere, from con- (expressing intensive force) + cupere ‘to desire’.
Concupiscence is an ardent longing, typically one that is sensual. In Christianity, particularly in Catholic and Lutheran theology, concupiscence is the tendency of humans to sin. Wikipedia