一切經音義 72.271

72.271

髎骨（力遙反字林八髎也通俗文尻骨謂之八髎論文作膫脂膏也膫非此用）。

"Sacral bone (髎骨)" (li and yao in fanqie [liáo]; the Zilin states: "The eight liáo"; the Tongsu wen says: "The bone of the buttocks is called the eight liáo." The text of the treatise writes 膫, meaning fat and tallow; 膫 is not the character for this usage).