postorbitosquamosal arch

noun
post·​or·​bi·​to·​squamosal arch

Definition of postorbitosquamosal arch

: a bony arch made up of fused portions of the postorbital and squamosal bones that separates the two temporal openings in a diapsid reptile

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History and Etymology for postorbitosquamosal arch

postorbit(al) + -o- + squamosal

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Dictionary Entries Near postorbitosquamosal arch

postorbital

postorbitosquamosal arch

postorgasmic

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Cite this Entry

“Postorbitosquamosal arch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/postorbitosquamosal%20arch. Accessed 31 Jul. 2021.

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