TBBa round building or hall, especially one with a dome 〔尤指有圆顶的〕圆形建筑;圆形大厅
Examples from the Corpus
rotunda• At a rotundadevoted to the death of Stalin people were chuckling.• I had been arrested in the Capitol rotunda for a nonviolent protest the day the House passed its version of the bill.• The FlatEarthSociety must be successfully signing up members in the Capitol rotunda.• Each rotunda was devoted to a different aspect of recent Czech history.• At the parkentrance is that familiar little rotunda.• More than £5,000 was raised, and this will be used for planting the garden and park surrounding Ickworth's rotunda.• But here, in the rotunda of the Astor House, a nickel would buy only a glass of beer.• The rotunda was demolished in 1804.
Originrotunda
(1600-1700)Italianrotonda, from Latinrotundus; → ROUND2