Stiltedarch
Stilted-arch,
a name proposed by Prof. Willis for an arch which has the capital or impost moldings of the jambs below the level of the springing of the curve, the moldings of the archivolt being continued vertically down to the impost moldings. This mode of construction was frequently employed at the latter end of the Norman style, especially as a means of maintaining a uniform height, when arches of different widths were used in the same range.