蜥臀目 xītúnmù Saurischia Definitions Defs Origin Strokes Stroke Words Sentences Sents 蜥 xī noun lizard (bound form) lizard臀 tún buttocks (bound form) buttocks; hips; rump; not to be pronounced as diàn; commonly referred to as 屁股 pìgu目 mù [order] (taxonomy) order, a rank below class and above family