zygomatic arch zygomatic arch /ˌzaɪɡəˈmætɪk ɑːrtʃ/

noun

1. The slender arch formed by the temporal process of the cheekbone that bridges to the zygomatic process of the temporal bone  ( arcus zygomaticus , zygoma , zygomatic arch )
   the slender arch formed by the temporal process of the cheekbone that bridges to the zygomatic process of the temporal bone