|med a rare and serious complication of malaria, characterized by massive destruction of red blood cells, producing dark red or blackish urine|
|a stew of meat, vegetables, potatoes, etc.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
blackwater fever black·wa·ter fever (blāk'wô'tər)
A serious, often fatal complication of falciparum malaria, characterized by the passage of bloody, dark red, or black urine.