halfarch
A halfarch, also known as a segmental arch or a cribriform arch, is a type of arch that spans less than a semicircle. Unlike a true semicircular arch, its intrados, or inner curve, is a segment of a circle with a radius greater than half the span. This means the center of the circle from which the arch is struck lies above the springing line, the point where the arch begins to curve upwards.
Halfarches are commonly found in construction where a full semicircular arch might be too tall for the
Historically, halfarches have been employed in various architectural styles, including Romanesque and Gothic architecture, as well