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