orbitosphenoid

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adjective

or·​bi·​to·​sphe·​noid ˌȯr-bit-ō-ˈsfē-ˌnȯid 

: being or relating to a paired element of the skull between the presphenoid and frontal bone that in humans forms the lesser wing of the sphenoid

orbitosphenoid

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noun

: an orbitosphenoid bone or process (as the lesser wing of the human sphenoid bone)