Definition of postparietal in English:

postparietal

adjective

Zoology
  • Posterior to a parietal structure; specifically designating either of a pair of bones behind the parietal bones in the skull of certain reptiles, amphibians, and fishes.

noun

Zoology
  • A postparietal bone.

Origin

Late 19th century; earliest use found in Theodore Gill (1837–1914).