Source : WordNet®

sickle-cell anemia
     n : a congenital form of anemia occurring mostly in blacks;
         characterized by abnormal blood cells having a crescent
         shape [syn: {sickle-cell anaemia}, {sickle-cell disease},
          {crescent-cell anemia}, {crescent-cell anaemia}, {drepanocytic
         anemia}, {drepanocytic anaemia}]