Definition of "parietal" [pa•ri•e•tal]

• Relating to or forming the wall of a body part, organ, or cavity. (adjective)
• Of or relating to either of the parietal bones. (adjective)
• Botany Borne on the inside of the ovary wall. Used of the ovules or placentas in flowering plants. (adjective)
• Dwelling within or having authority within the walls or buildings of a college. (adjective)
• A parietal part, such as a wall or bone. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This is the area of the brain called the parietal lobe where evidence is typically gathered like acorns just gather, gather, gather."
• "This sort of light purple area, that's known as the parietal lobe."
• "This light purple area over here, Don, that's known as the parietal lobe."