classical haemophilia, classical hemophilia, haemophilia A, hemophilia A - hemophilia caused by a congenital deficiency of factor VIII; occurs almost exclusively in men

Christmas disease, haemophilia B, hemophilia B - a clotting disorder similar to hemophilia A but caused by a congenital deficiency of factor IX

angiohemophilia, vascular hemophilia, von Willebrand's disease - a form of hemophilia discovered by Erik von Willebrand; a genetic disorder that is inherited as an autosomal recessive trait; characterized by a deficiency of the coagulation factor and by mucosal bleeding

blood disease, blood disorder - a disease or disorder of the blood

sex-linked disorder - any disease or abnormality that is determined by the sex hormones; "hemophilia is determined by a gene defect on an X chromosome"