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Synonyms

rotunda

American  
[roh-tuhn-duh] / roʊˈtʌn də /

noun

  1. a round building, especially one with a dome.

  2. a large and high circular hall or room in a building, especially one surmounted by a dome.


rotunda British  
/ rəʊˈtʌndə /

noun

  1. a building or room having a circular plan, esp one that has a dome

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of rotunda

1680–90; alteration of Italian rotonda, noun use of feminine of rotondo < Latin rotundus rotund

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

While robots in the rotunda were programmed to dance, other robots at the event were teleoperated by engineers who wore body suits and virtual-reality headsets.

From The Wall Street Journal • Jan. 3, 2026

“But she walked into the rotunda and she started reading Lincoln’s words that are engraved into the wall. It was such a moving moment.”

From Los Angeles Times • Nov. 13, 2025

Outside the rotunda, Jake and Logan Paul — two former YouTubers pretending to be professional boxers — posed for a photo with New York’s mayor, Eric Adams.

From Salon • Jan. 21, 2025

Given the limited space in the rotunda, an overflow room was set up in the Capitol Visitor Center.

From Slate • Jan. 20, 2025

The rotunda below was a mass of people, drinking, laughing, greeting each other, a kind of raucous party before the celebrations on the White Island.

From "Six of Crows" by Leigh Bardugo