noun
parietal bone
Anatomical term for the paired bones forming the sides and roof of the skull.
頭頂骨は頭蓋の上部を構成する骨の一つです。
The parietal bone is one of the bones that make up the upper part of the skull.
From 頭頂 (tōchō, 'top of the head') + 骨 (kotsu, 'bone').