parietal bone


: either of a pair of bones of the roof of the skull between the frontal bones and the occipital bones

Examples of parietal bone in a Sentence

Recent Examples on the Web Of these findings, two other teeth (a deciduous molar and a permanent molar), a likely arm bone fragment and two pieces of parietal bone from the back of the cranium have been confirmed as Denisovan in origin. Richard Pallardy, Discover Magazine, 17 Jan. 2022 The new discovery consists of two connecting fragments from the back, left-hand side of the parietal bone, which forms the sides and roof of the skull. Nicola Jones, Discover Magazine, 19 Mar. 2019 One particularly intriguing feature is the width of the skull between the parietal bones, which make up the sides and upper rear of the skull. National Geographic, 19 Sep. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'parietal bone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of parietal bone was in the 15th century

Dictionary Entries Near parietal bone

Cite this Entry

“Parietal bone.” Dictionary, Merriam-Webster, Accessed 22 Jun. 2024.

Medical Definition

parietal bone

: either of a pair of membrane bones of the roof of the skull between the frontal and occipital bones that are large and quadrilateral in outline, meet in the sagittal suture, and form much of the top and sides of the cranium

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