[ pə'rʌɪɪt(ə)l ]
■ adjective
1》 Anatomy & Biology relating to or denoting the wall of the body or of a body cavity.
2》 US relating to residence within a college and especially to visits from members of the opposite sex.
3》 Archaeology denoting prehistoric art found on rock walls.
■ noun Anatomy & Zoology a ~ bone or other ~ structure.
Origin
ME: from late L. ~is , from L. paries , pariet- 'wall'.