Definition of parietal in English:

parietal

Syllabification: pa·ri·e·tal
Pronunciation: /pəˈrīəd(ə)l
 
/

adjective

1 Anatomy & Biology Of, relating to, attached to, or denoting the wall of the body or of a body cavity or hollow structure.
More example sentences
  • A large tumor was found that originated from the parietal pleura at the dorsal site.
  • Metastases were present in the vertebral bodies, spleen, peritoneum, pleura, adrenal glands, visceral and parietal pericardium, and multiple lymph nodes.
  • The frontals are fused medially and enclose the parietal foramen and anterior sagittal crest.
1.1Of the parietal lobe: the parietal cortex
More example sentences
  • She skillfully uses patients suffering from neglect due to parietal lesions to explore a number of central questions in the study of spatial representations.
  • Zapping the parietal cortex at the right moment with TMS can block processing downstream in the visual cortex.
  • The posterior parietal cortex then sorts out bodily movements corresponding to the observed actions.
2North American Relating to residence in a college or university dormitory and especially to visits from members of the opposite sex: parietal rules
3 Archaeology Denoting prehistoric art found on rock walls.
More example sentences
  • It seems likely, therefore, that Archaic hunter-gatherers were the first to produce parietal art in southeastern caves and that its production may have related to economic activities like mining.

noun

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1 Anatomy & Zoology A parietal structure.
More example sentences
  • Two additional, albeit smaller, processes are present along the posterior emargination of the parietal.
  • All species have two chloroplasts, one parietal in each of the two main plates.
1.1 short for parietal bone.
More example sentences
  • Together with the quadrates, the opisthotics and various dermal bones, such as the parietals and the squamosals, the bones of the occiput form the back of the skull.
  • The supraoccipital contacts the parietals of the skull table dorsally and the exoccipitals ventrally.
  • The postorbitofrontal forms its primary contact with the frontal rather than the parietal, and the supraoccipital is firmly attached to the ventral side of the parietal.
2 (parietals) informal Dormitory rules governing visits from members of the opposite sex.
More example sentences
  • Youth used this information to challenge the establishment and especially the in loco parentis and parietals that universities had long used to control college students.
  • Name one other school in the top 50 in the country that still has parietals!

Origin

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

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