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parietal

[ puh-rahy-i-tl ]

adjective

  1. Anatomy. of, relating to, or situated near the side and top of the skull or the parietal bone.
  2. Biology. of or relating 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

  1. Anatomy. any of several parts in the parietal region of the skull, especially the parietal bone.
  2. parietals. Also called parietal rules. campus regulations governing visits between members of opposite sexes to each other's dormitories or rooms.

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. living or having authority within a college
“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


noun

  1. a parietal bone
“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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Other Words From

  • inter·pa·rie·tal adjective
  • subpa·rie·tal adjective
  • transpa·rie·tal adjective
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Word History and Origins

Origin of parietal1

1590–1600; < Late Latin parietālis of, belonging to walls, equivalent to Latin pariet- (stem of pariēs ) wall + -ālis -al 1
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Word History and Origins

Origin of parietal1

C16: from Late Latin parietālis, from Latin pariēs wall
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Example Sentences

Electrodes picked up nerve cell signals in his posterior parietal cortex, a brain area involved in speech and hand movements.

In the first experiment, Reinhart and his colleagues delivered pulses of activity to match the natural rhythms of each region—high frequencies for the prefrontal cortex and low frequencies for the parietal lobe.

Similarly, when she was asked to imagine walking through the rooms of her home, regions of the brain involved in spatial navigation, such as the posterior parietal cortex, became active.

For this study, the team aimed the pulses at the posterior parietal cortex, a part of the “motor” aspect of the brain, which plans movement.

The cavity in the parietal part of the plates alone becomes the true body-cavity.

The vertebral portion of each plate with its contained cavity then becomes divided off from the parietal.

Hence the structure of the radius is essentially the same with that of the parietal portion of the compartment.

The ends of these threads of corium generally deposit transverse calcareous septa, exactly as within the parietal tubes.

The basal radiating pores, like the parietal pores, are closed at intervals by calcareous transverse septa.

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pariesparietal bone