Kalmar “dropsical” wata sifa ce da ke bayyana mutum ko dabba da ke fama da ɗigon ruwa, wanda shi ne tsohuwar kalmar edema, yanayin da yawan ruwa ya taru a cikin kyallen jikin mutum, yana haifar da kumburi. Saboda haka, ma'anar ƙamus na dropsical shine "dangantaka ko cutar da ɗigon ruwa; kumbura ko kumburi saboda tarin ruwa a cikin kyallen takarda."
