parietal

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pa·ri·e·tal / pəˈrīətəl/ • adj. 1. Anat. Biol. of, relating to, attached to, or denoting the wall of the body or of a body cavity or hollow structure. ∎  of the parietal lobe: the parietal cortex.2. relating to residence in a college or university dormitory and esp. to visits from members of the opposite sex: parietal rules.3. Archaeol. denoting prehistoric art found on rock walls.• n. 1. Anat. & Zool. a parietal structure. ∎ short for parietal bone.2. (parietals) inf. dormitory rules governing visits from members of the opposite sex.

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