postorbitosquamosal arch

noun post·or·bi·to·squamosal arch

Definition of postorbitosquamosal arch

  1. :  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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Origin and Etymology of postorbitosquamosal arch

2postorbital + -o- + squamosal

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feeling or affected by lethargy

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