More commonly, the molding or other ornaments with which the wall face of the voussoirs of an arch is charged.

the molding framing an arch. In Romanesque and Gothic architecture, each one of a series of arches framing the tympanum of a portal

an arch ring with decorating moldings

A series of decorated, recessed arches spanning an opening such as a portal (fig.3, B).

One of several continuous decorative bands or moldings on the face

An ornamental molding seen often in arch shaped portals following the lines of the face with sculpted figures.

One of a series of concentric moldings on a Gothic arch.