Of or pertaining to the kidneys: as, a nephritic disease.Pertaining to or affected with nephritis: as, a nephritic patient.Relieving disorders of the kidneys in general: as, a nephritic medicine.Of the nature of nephrite or jade.n. A medicine adapted to relieve or cure diseases of the kidneys, particularly gravel or stone in the bladder.n. One who suffers from nephritis.