HÆMORRHAGY, (compounded of hæm "blood," and rhagya "I burst forth.") in medicine, a flux of blood at any part of the body; arising either from a rupture of the vessels, as when they are too full or too much pressed; or from an erosion of the same, as when the blood is too sharp and corrosive.—The hæmorrhagy, properly speaking, as understood by the Greeks, was only a flux of blood at the nose; but the moderns extend the name to any kind of flux of blood, whether by the nose, mouth, lungs, stomach, intestines, fundament, matrix, or whatever part. See MEDICINE and SURGERY.