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parietal

[puh-rahy-i-tl] /pəˈraɪ ɪ tl/
adjective
1.
Anatomy. of, pertaining to, or situated near the side and top of the skull or the parietal bone.
2.
Biology. of or pertaining to parietes or structural walls.
3.
Botany. pertaining to or arising from a wall: usually applied to ovules when they proceed from or are borne on the walls or sides of the ovary.
4.
pertaining to or having authority over residence, and especially visitation regulations between the sexes, within the walls or buildings of a college or university:
a listing of the parietal regulations for the law students' dormitory.
noun
5.
Anatomy. any of several parts in the parietal region of the skull, especially the parietal bone.
6.
parietals, Also called parietal rules. campus regulations governing visits between members of opposite sexes to each other's dormitories or rooms.
Origin
1590-1600
1590-1600; < Late Latin parietālis of, belonging to walls, equivalent to Latin pariet- (stem of pariēs) wall + -ālis -al1
Related forms
interparietal, adjective
subparietal, adjective
transparietal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for parietal rules

parietal

/pəˈraɪɪtəl/
adjective
1.
(anatomy, biology) of, relating to, or forming the walls or part of the walls of a bodily cavity or similar structure the parietal bones of the skull
2.
of or relating to the side of the skull
3.
(of plant ovaries) having ovules attached to the walls
4.
(US) living or having authority within a college
noun
5.
a parietal bone
Word Origin
C16: from Late Latin parietālis, from Latin pariēs wall
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for parietal rules
parietal
early 15c., "pertaining to the walls of a cavity in the body," from L.L. parietalis "of walls," from L. paries (gen. parietis) "wall," of unknown origin.
Online Etymology Dictionary, © 2010 Douglas Harper
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parietal rules in Medicine

parietal pa·ri·e·tal (pə-rī'ĭ-tl)
adj.

  1. Relating to or forming the wall of any cavity.

  2. Of or relating to either of the parietal bones.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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