[lep.ro.sy] n [ME lepruse, fr. leprous] (15c) 1: a chronic disease caused by a bacillus (Mycobacterium leprae) and characterized by the formation of nodules or of macules that enlarge and spread accompanied by loss of sensation with eventual paralysis, wasting of muscle, and production of deformities and mutilations
2: a morally or spiritually harmful influence -- lep.rot.ic adj