臀疣 túnyóu ischial callosities Origin Definitions Defs Strokes Stroke Words Sentences Sents 臀 tún buttocks (bound form) buttocks; hips; rump; not to be pronounced as diàn; commonly referred to as 屁股 pìgu疣 yóu wart A small, hard growth on the skin caused by a virus; also refers to a nodule or similar skin protrusion.