Still Life in Niche. A niche in classical architecture is an exedra or an apse that has been reduced in size, retaining the half-dome heading usual for an apse.
   Nero's Domus Aurea was the first semi-private dwelling that possessed rooms that were given richly varied floor plans, shaped with niches and exedras; sheathed in dazzling polished white marble, such curved surfaces concentrated or dispersed the daylight. The word derives from the Latin nidus or nest, via the French niche.
   The Italian nicchio for a sea-shell may also be involved, as the traditional decoration for the top of a niche is a scallop shell, as in the illustration, hence also the alternative term of conch for a semi-dome, usually reserved for larger exedra. In Gothic architecture, a niche may be set within a tabernacle framing, like a richly decorated miniature house, such as might serve for a reliquary.
   The backings for the altars in churches can be embedded with niches for statues. Though a niche in either Classical or Gothic contexts may be empty and merely provide some articulation and variety to a section of wall, the cult origins of the niche suggested that it be filled with a statue.
   One of the earliest buildings which uses external niches containing statues is the Church of Orsanmichele in Florence, built between 1380 and 1404. The Uffizi Palace in Florence modified the concept by setting the niche within the wall so it di
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