痔瘘 zhìlòu anal fistula Origin Definitions Defs Strokes Stroke Words Sentences Sents 痔 zhì noun hemorrhoids hemorrhoids; piles; a condition involving swollen veins in the rectum or anus瘘 瘻 lòu fistula An abnormal passage or ulceration leading from an internal organ or infected tissue to the body surface or to another organ; also known as 瘘管 lòuguǎn.