Coccyx

"Coccyx" in Japanese

尾閭骨

biryokotsu

((anatomy) final fused vertebrae)

尾骨

bikotsu

((anatomy) final fused vertebrae)

尾骶骨

biteikotsu

((anatomy) final fused vertebrae)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.