postorbital

[ pohst-awr-bi-tl ]

adjective

, Anatomy, Zoology.

1. located behind the orbit or socket of the eye.

postorbital

/ pəʊstˈɔːbɪtəl /

adjective

1. anatomy situated behind the eye or the eye socket

Word History and Origins

Origin of postorbital¹

First recorded in 1825–35; post- + orbital

Example Sentences

In fact, it’s just a single bone – a postorbital, or a bone that makes up the rear border of the eye and has some of the bumpy ornamentation that made tyrannosaurs so striking.

From Scientific American

Following the old rules, an expert would likely categorize the postorbital horn cores as those of a chasmosaurine.

From Scientific American

“The  two postorbitals described here represent some of the earliest ceratopsid remains,” Brown writes, “and indicate a form with clearly massive, dorsolaterally projecting, straight postorbital horncores.”

From Scientific American

Postorbital openings like otic notches are absent.

From Scientific American

The postorbital bones are peculiar in shape and mean that the eye sockets are directed upwards and forwards.

From Scientific American