blackwater fever

noun Pathology.
  1. a severe form of malaria characterized by kidney damage and hemoglobinuria resulting in urine that is dark red or black.

Origin of blackwater fever

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for black-water fever

black-water fever

noun
  1. vet science a form of babesiosis seen in cattle, deer, bison, water buffalo, African buffalo, and reindeer; characterized by fever, depression, jaundice, dark red-black discolouration of the urine, anaemia, and deathAlso called: Texas fever

blackwater fever

noun
  1. med a rare and serious complication of malaria, characterized by massive destruction of red blood cells, producing dark red or blackish urine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

black-water fever in Medicine

blackwater fever

[blăkwô′tər]
n.
  1. A serious, often fatal complication of falciparum malaria, characterized by the passage of bloody, dark red, or black urine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.