\ˈdōm \

Definition of dome 

(Entry 1 of 2)

1 archaic : a stately building : mansion

2 : a large hemispherical roof or ceiling

3 : a natural formation or structure that resembles the dome or cupola of a building

4 : a form of crystal composed of planes parallel to a lateral axis that meet above in a horizontal edge like a roof

5 : an upward fold in rock whose sides dip uniformly in all directions

6 : a roofed sports stadium

7 : a person's head


domed; doming

Definition of dome (Entry 2 of 2)

transitive verb

1 : to cover with a dome

2 : to form into a dome

intransitive verb

: to swell upward or outward like a dome

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Other Words from dome


domal \ ˈdō-​məl \ adjective

Synonyms for dome

Synonyms: Noun

bean, block [slang], head, noddle, noggin, noodle, pate, poll

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Examples of dome in a Sentence


the dome of the Capitol building The team's new stadium is a dome.

Recent Examples on the Web: Noun

Eighteen states from New Mexico to Michigan have issued heat advisories, warnings or watches, making up a heat dome that is descending on 60 million people. Dean Reynolds, CBS News, "Dangerous heat wave hitting U.S. over Fourth of July weekend," 29 June 2018 Ground was broken in 2003 on the project, originally named Xanadu, which included a snow dome with ski slopes, an indoor skate park, and an underground aquarium. Esther Fung, WSJ, "Florida Officials Approve Plan to Build Largest U.S. Mall," 19 June 2018 The show, which ran for six weeks in 1959, featured a geodesic dome in Sokolniki Park housing exhibits on 300,000 square feet of floor space. Sam Roberts, New York Times, "Philip George, Designer of Elegant Restaurants, Dies at 94," 7 June 2018 The Millennial Pink Piñata is a dark chocolate dome filled with vanilla bean marshmallows and strawberry crispy pearls before being topped with white chocolate ears. Lauren Delgado,, "Millennial pink food and drink popping up on Disney plates," 13 Apr. 2018 Just south of boulder called Giant Rock, Layne suggests a stop at a 38-foot-high white wooden dome called the Integratron. Keli Dailey, San Francisco Chronicle, "Insider: Joshua Tree’s ‘Desert Oracle’ reveals his favorite Mojave haunts," 20 Mar. 2018 The church has tall domes topped with religious symbols. Robert King, Indianapolis Star, "Muslim group wants to build Carmel's first mosque; residents in upscale neighborhoods object," 11 Jan. 2018 Some are simple dome tents fixed to a floating deck. Paul A. Smith, Milwaukee Journal Sentinel, "They love fishing, so they set cabins afloat: Wolf River rafts are 'home' to some anglers," 20 June 2018 Frappuccinos will still have the dome lids, but the traditional plastic straws will be made from either paper or plastic that can be composted, CNN reported. Natalie Dreier, ajc, "Starbucks to phase out plastic straws at all locations," 9 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dome.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dome


1513, in the meaning defined at sense 1


1876, in the meaning defined at transitive sense 1

History and Etymology for dome


French, Italian, & Latin; French dôme dome, cathedral, from Italian duomo cathedral, from Medieval Latin domus church, from Latin, house; akin to Greek domos house, Sanskrit dam

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Statistics for dome

Last Updated

6 Nov 2018

Look-up Popularity

Time Traveler for dome

The first known use of dome was in 1513

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More Definitions for dome



English Language Learners Definition of dome

: a large rounded roof or ceiling that is shaped like half of a ball

: a structure that looks like the dome of a building

: a stadium that is covered by a roof


\ˈdōm \

Kids Definition of dome

1 : a rounded top or roof that looks like half of a ball

2 : a rounded structure An igloo is a dome of ice.


\ˈdōm \

Medical Definition of dome 

: a rounded-arch element in the wave tracing in an electroencephalogram the spike and dome pattern characteristic of absence seizures

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More from Merriam-Webster on dome

Thesaurus: All synonyms and antonyms for dome

Spanish Central: Translation of dome

Nglish: Translation of dome for Spanish Speakers

Britannica English: Translation of dome for Arabic Speakers Encyclopedia article about dome

Comments on dome

What made you want to look up dome? Please tell us where you read or heard it (including the quote, if possible).


obstinately defiant of authority

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