rotunda.

A round building or room, often covered by a dome.

Use it for

Words that belong together

• domed rotunda
• central rotunda

On the page

Visitors crossed the rotunda before entering the quieter reading rooms.

Usage notes

Primary category: architecture / spatial description. Forms: Singular rotunda; plural rotundas. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.