sickle-cell anaemia

sickle-cell anaemia
    n 1: a congenital form of anemia occurring mostly in blacks;
         characterized by abnormal blood cells having a crescent
         shape [syn: {sickle-cell anemia}, {sickle-cell anaemia},
         {sickle-cell disease}, {crescent-cell anemia}, {crescent-
         cell anaemia}, {drepanocytic anemia}, {drepanocytic
         anaemia}]