頭とう部ぶ穿せん孔こうとうぶせんこうMeanings1nountrepanation; cranial perforationMedical term for the surgical procedure of drilling or scraping a hole into the skull.古こ代だいの頭とう部ぶ穿せん孔こうの痕こん跡せきが頭ず蓋