臀瓣 túnbàn anal lobe Definitions Defs Origin 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瓣 bàn noun segment A petal, section of fruit, clove of garlic, or seed of a melon