WordNet
architectural ornament
n. (architecture) something added to a building to improve its appearance
Usage examples of "architectural ornament".
Not that all architectural ornament is to be neglected even in the rudest periods.
And then contemporary skyscrapers were so very anonymousno signs or names, no pinnacle statues or weathercocks or crosses, no distinctive facades and cornices, no architectural ornament at all: just huge blank slabs of featureless stone, or concrete or glass that was either sleekly bright with sun or dark with shadow.