篩し骨こつしこつMeanings1nounethmoid boneanatomyAnatomical term for the ethmoid bone, a cranial bone located between the eyes.篩し骨こつは頭ず蓋がい骨こつの一いち部ぶで、鼻び腔くうの上じょう部ぶに位い置ちする。The ethmoid bone is part of the skull and is located at the upper part of the nasal cavity.