n :  any of several bony processes that articulate with the zygomatic bone: as  a  :  a long slender process of the temporal bone helping to form the zygomatic arch  b  :  a narrow process of the frontal bone articulating with the zygomatic bone  c  :  a rough triangular eminence of the maxilla of the upper jaw articulating with the zygomatic bone .
 
 
 
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