rotunda(redirected from Rotundas)
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a centric construction circular in plan and usually domed. Often there are columns along the perimeter of a rotunda. Greek tholoi, some Roman temples (such as the Pantheon) and mausoleums, baptisteries, and some churches (mainly in the Romanesque, Renaissance, and classicistic styles) are in the form of rotundas. Since the 18th century park pavilions have been constructed as rotundas.