hemangiosarcoma

noun
he·​man·​gio·​sar·​co·​ma
variants: or chiefly British haemangiosarcoma \ -​jē-​ō-​sär-​ˈkō-​mə How to pronounce haemangiosarcoma (audio) \
plural hemangiosarcomas also hemangiosarcomata\ -​mət-​ə How to pronounce hemangiosarcomata (audio) \

Medical Definition of hemangiosarcoma

: a malignant hemangioma