parietal
Pronunciation: /pəˈrʌɪɪt(ə)l/
adjective
- 1 Anatomy & Biology relating to or denoting the wall of the body or of a body cavity or hollow structure.
- of the parietal lobe: the parietal cortex
noun
Anatomy & Zoology- a parietal structure.
- short for parietal bone.

Origin:
late Middle English: from late Latin parietalis, from Latin paries, pariet- 'wall'