Easton's Bible Dictionary (1897)
An architectural term found only in Ezek. 40:16, 21, 22, 26, 29. There is no absolute proof that the Israelites employed arches in their buildings. The arch was employed in the building of the pyramids of Egypt. C. 1350. There are also still found the remains of an arch, known as Robinson’s Arch, of the bridge connecting Zion and Moriah.