Definition of postorbital in English:

postorbital

Line breaks: post|orbit¦al
Pronunciation: /pəʊstˈɔːbɪt(ə)l
 
/
chiefly Zoology

adjective

  • Situated at the back of the orbit or eye socket, in particular denoting a process of the frontal bone which in some reptiles forms a separate bone.
    More example sentences
    • The postorbital process of the frontal bone is sharp.
    • The skull of a colugo is very distinctive, broad and flat in outline and with a nearly complete postorbital process that sets off the eye sockets.
    • All artiodactyls have a postorbital bar or process.

noun

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  • A postorbital bone.
    More example sentences
    • The capitate processes are small and visible through the supratemporal fenestrae dorsally, fitting within fossae in the postorbitals.
    • Lateral processes for the postorbitals are short, and a broad sutural contact with the laterosphenoid occurs within the supratemporal space.
    • Again, there may be individual variation and some exceptions, but the general rule is six bones: three operculars, the squamosal, a postorbital, and any posterior process of the lacrimojugal.

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