postorbital adjective & noun. [pǝʊst'ɔ:bɪt(ǝ)l] M19.
[from POST- 2 + ORBITAL.]
Anatomy & Zoology.
A. adjective. Situated behind or on the hinder part of the orbit or eye socket; spec. designating a process of the frontal bone, forming a separate bone in some reptiles. M19.
b. noun. The postorbital bone or process. M19.

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