rotunda
/rɒˈtʌndə/ or /roʊˈtʌndə/Definitions
1. noun
A building or a part of a building with a circular shape, often surrounded by a colonnade or a gallery.
“The university’s rotunda is a beautiful example of Roman architecture.”
2. noun
A circular or oval building or structure, often serving as a meeting place or a place for ceremonies.
“The city’s rotunda is where they hold their annual Christmas market.”
3. adjective
Having or forming a circular shape; rounded.
“The rotunda dome of the building is a notable architectural feature.”