rotunda
noun/rəʊˈtʌndə/
/rəʊˈtʌndə/
- a round building or hall, especially one with a curved roof (= a dome)Topics Buildingsc2Word Originearly 17th cent.: alteration of Italian rotonda (camera) ‘round (chamber)’, feminine of rotondo ‘round’, from Latin rotundus, from rotare ‘rotate’.
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rotunda