lepromatous leprosy: a very serious form of leprosy characterized by lesions that spread over much of the body and affecting many systems of the body
leprosy: chronic granulomatous communicable disease occurring in tropical and subtropical regions; characterized by inflamed nodules beneath the skin and wasting of body parts; caused by the bacillus Mycobacterium leprae
arcus: a whitish deposit in the shape of an arc that is sometimes seen in the cornea