What is semicircular arch?

  • (noun): A round arch drawn from a single center.
    Synonyms: Roman arch

Some articles on arch:

Arch - History
... An early example of a voussoir arch appears in the Greek Rhodes Footbridge ... In 2010, a robot discovered a long arch-roofed passageway underneath the Pyramid of Quetzalcoatl which stands in the ancient city of Teotihuacan north of ... The ancient Romans learned the arch from the Etruscans, refined it and were the first builders to tap its full potential for above ground buildings The Romans were the first builders in Europe ...

Famous quotes containing the word arch:

    Men seem anxious to accomplish an orderly retreat through the centuries, earnestly rebuilding the works behind them, as they are battered down by the encroachments of time; but while they loiter, they and their works both fall prey to the arch enemy.
    Henry David Thoreau (1817–1862)