trefoil arch

To the left (south) as one descends is a prayer niche dedicated to David with a trefoil arch supported by miniature marble twisted-rope columns.

The chancel contains three simple sedilia, or priest's seats, with trefoil arches and round columns.

The eastern and the western façades are crowned with pediments in the form of trefoil arches.

The cupola is distinguished for its trefoil arch.

As they passed through a trefoil arch into the patio.

"Over there," Gareth whispered, nodding toward the far side of the garden where a light burned in a niche between two trefoil arches.

The roof of the verandah is carried on semi-Corinthian columns alternated by trefoil arches.

They are entered through a central door in the north wall flanked on either side by a rectangular shallow niche with a trefoil arch above.

There are three types of external doors with the largest type having a trefoil arch and double-leafed patterned doors.

Around the church, at the level of the eaves, is a Norman corbel table with trefoil arches.