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Lookout in the form of a turret, cupola (small, lanternlike dome), or garden house set on a height to give an extensive view. Few late-18th- and 19th-century rustic gazebos survive, but 17th-century turrets built up in an angle of the garden wall are not uncommon. The term now often refers specifically to a freestanding roofed structure, typically octagonal, with open or latticework sides.
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