A pediment is a triangular architectural feature located above a door or window. It is usually decorated and adds a decorative element to the building's facade. Full definition
As Martin Malia argued in a series of profound books, culminating in his 1999 Russia Under Western Eyes, there was nothing distinctively Russian about this nihilistic assault on the very pediments of civilized order. (firstthings.com)
The exhibition comprised brightly - painted loaves or slices of bread suspended on pediment - like found objects. (artfcity.com)
A tranquil retreat, the focal point in the bedroom is the white - painted pediment above the bed, which is from a chateau. (idealhome.co.uk)