zygomatic arch

noun

, Anatomy.

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.

zygomatic arch

noun

1. the slender arch of bone that forms a bridge between the cheekbone and the temporal bone on each side of the skull of mammals Also calledzygoma

Word History and Origins

Origin of zygomatic arch¹

First recorded in 1815–25

Example Sentences

The breadth across the zygomatic arch is 2·38 against 3·64 of A. collaris.

From Project Gutenberg

The boundary of the orbit below is very imperfect, the zygomatic arch being incomplete.

From Project Gutenberg

The cranial cavity is small, and the facial part of the skull is generally much developed; often the zygomatic arch is incomplete.

From Project Gutenberg

The zygomatic arch is very weak, and the palate extends very far back.

From Project Gutenberg

The zygomatic arch is incomplete, and the jugal (fig. 91, 5) is curiously forked, but in a manner differing in the two genera.

From Project Gutenberg