parietal bone

noun

: 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

Word History

First Known Use

15th century, in the meaning defined above

Medical Definition

parietal bone

noun

: 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