The relief is bounded by two Ionic columns surmounted by a flat arch.
The Greeks also borrowed the column and flat arch from the Egyptians, but changed it to a more slender, graceful form.
The hearth has a suitable oval shape, and is covered with a flat arch.
In a moment he traversed the windings of the corridor, and halted under a flat arch at one side of the temple nave.
It is of Gothic architecture, and celebrated for a flat arch of remarkable boldness, which supports its roof.
Over the windows the bricks, of special shapes, were arranged as in a flat arch, with a keystone that jutted slightly.
If the damper is not built in, it is necessary to use an iron supporting bar to carry this flat arch.
The sun still rose, described a flat arch to the south, and sank after an hour and a half.
It has two immense chimneys, the arches or lintels of which are formed by a flat arch, as at Crichton Castle.
The entrance, a flat arch flush with the house, opens into a deeply recessed and paneled vestibule.