1. Disease(Abstract Noun) any of several diseases (such as blackwater fever) characterized by dark-colored urine গাঢ় ৰঙৰ প্ৰস্ৰাৱ হোৱা যিকোনো ৰোগ (যেনেঃ কৃষ্ণ-জল জ্বৰ)

English: black water,
Assamese: কৃষ্ণ-জল