Definition of "rotunda" [ro•tun•da]

• A circular building, especially one with a dome. (noun)
• A large area with a high ceiling, as in a hotel lobby. (noun)
• A large round room. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "An hour later, members of the public were allowed to sign a guest book and pay their respects to Hassell in the yellow-and-white rotunda, which is adorned by marble busts of Virginia-born presidents."
• "First thing you see in the rotunda is the statue of Chief Washakie."
• "It stands in the centre of the arched rotunda, which is common to all denominations, and from which branch off the various chapels belonging to each particular sect."