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Meaning of zygomatic arch

zy'gomat'ic arch'

Pronunciation: [key]
— Anat. Anat.
  1. the bony arch at the outer border of the eye socket, formed by the union of the cheekbone and the zygomatic process of the temporal bone. See diag. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.