Read Edit View history 骶 dǐ coccyx Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 骶 · dǐ · sacrum 2026/03/04 骶 dǐ sacrum (bound form) sacrum; the large triangular bone at the base of the spine 骶骨位于脊柱的底端。 created sense Mar 4, 2026, 02:25 AM