Read Edit View history 尻骨 kāogǔ coccyx Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 尻骨 · kāogǔ · coccyx 2026/03/04 尻骨 kāogǔ coccyx the small, triangular bone at the base of the spinal column; tailbone 他在滑冰时摔到了尻骨。 noun created sense Mar 4, 2026, 02:25 AM