In the heads of the smaller arches are quatrefoil openings decorated in the same way.
The tympanum of the large arch is pierced with a quatrefoil or trefoil.
Even this is not all; for on each medallion or panel its separate bas-relief is contained within a quatrefoil.
Here too are seen two quatrefoil openings for the reception of offerings.
The wall above the arches is pierced with a row of 'quatrefoil' openings, with deeply cut mouldings.
In the traceries of the large upper windows, where the cusps are cut through as in the quatrefoil Fig.
The Keep, which is in plan like a quatrefoil, consisted of two storeys.
The mullion flew asunder; a quatrefoil shifted a little, robbed of its support.
Above this is an open gallery with very beautiful twisted pillars and quatrefoil piercing in the three arches.
The aureola, when enveloping the whole body, is generally oval or elliptical in form, but is occasionally circular or quatrefoil.