A belvedere, either a type of summer-house or a roofed, detached porch-like structure, usually in a yard, park or lawn.
A round building, usually small, often with a dome.
A Gothic typeface used in early printed books in Northern Italy, based on a rounded script developed in the 13th cent.; the manuscript hand on which this typeface was based.
A roundabout; a road junction at which traffic streams circularly around a central island.
A form of cupola that has pentagons rather than squares or rectangles.