\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

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 The luxury passenger train features top-notch cuisine, attentive and knowledgeable hosts, cozy, spacious seats and oversized windows in its SilverLeaf Service, or glass-dome windows in GoldLeaf Service. Jennifer Franklin, USA TODAY, "See the coast, cities and mountain peaks on this trip of a lifetime to the Canadian Rockies," 9 July 2018 Heat domes are to blame for the nearly week-long stretch of sweltering heat in Greater Cincinnati. Sarah Brookbank,, "Cincinnati weather: Why is it so hot? Blame the heat dome," 5 July 2018 It is entirely enclosed, without a drop of fresh air seeping into its midst, contained under metal domes. Leslie Kendall Dye, Longreads, "City on a Hill," 23 June 2018 Its original inflatable dome cover irked neighbors, who complained to local officials in 2009. Katy Mclaughlin, WSJ, "Scott McNealy Asks Nearly $100 Million for Silicon Valley Estate," 21 June 2018 Williams’s look features a 1.5–to–0 fade on the sides, dark waves rolling across his dome. Jake Fischer,, "Kenrich Williams and the NBA Draft's Most Interesting Haircut," 20 June 2018 Montreal reportedly houses the only full-dome theater designed and built for this multimedia purpose. Diane Bell,, "Mermaid's disappearance from OB rock creates waves," 15 June 2018 Lasik — short for laser-assisted in situ keratomileusis — eliminates the need for glasses by reshaping the cornea, the clear round dome that covers the front of the eye. Author: Roni Caryn Rabin, Anchorage Daily News, "Blurred vision, burning eyes: This is a Lasik success?," 12 June 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

9 Oct 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).


a state of commotion or excitement

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