plural of hemorrhoid; late 14c., emeroudis, from Old French emorroides (13c.), from Latin hæmorrhoidae, from Greek haimorrhoides (phlebes) "(veins) liable to discharge blood," plural of haimorrhois, from haima "blood" (see -emia) + rhoos "a stream, a flowing," from rhein "to flow" (see rheum). Related: Hemmorhoidal.
hemorrhoid hem·or·rhoid (hěm'ə-roid')
An itching or painful mass of dilated veins in swollen anal tissue.
or hemorrhoids The pathological condition in which such painful masses occur. Also called piles.