cluster

noun
clus·​ter | \ˈkləs-tər \

Definition of cluster 

(Entry 1 of 2)

: a number of similar things that occur together: such as

a : two or more consecutive consonants or vowels in a segment of speech

b : a group of buildings and especially houses built close together on a sizable tract in order to preserve open spaces larger than the individual yard for common recreation

c : an aggregation of stars or galaxies that appear close together in the sky and are gravitationally associated the Perseus cluster of galaxies

d : a larger than expected number of cases of disease (such as leukemia) occurring in a particular locality, group of people, or period of time

e : a number of computers networked together in order to function as a single computing system Consisting of groups of inexpensive machines cobbled together, clusters in many ways have supplanted traditional supercomputers.— Elizabeth K. Wilson

cluster

verb
clustered; clustering\-​t(ə-​)riŋ \

Definition of cluster (Entry 2 of 2)

transitive verb

1 : to collect into a cluster cluster the tents together

2 : to furnish with clusters the bridge was clustered with men and officers— Herman Wouk

intransitive verb

: to grow, assemble, or occur in a cluster they clustered around the fire

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Other Words from cluster

Noun

clustery \-​t(ə-​)rē \ adjective

Examples of cluster in a Sentence

Noun

a cluster of cottages along the shore A small cluster of people had gathered at the scene of the accident.

Verb

The children clustered around the storyteller. the mice clustered together into a small burrow
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Recent Examples on the Web: Noun

Radio/media controls are on the back of the steering wheel, the instrument cluster and phone are on the left, and the driver-assist functions are on the right. Eric Bangeman, Ars Technica, "Good drive, good value: The Jeep Compass Latitude reviewed," 29 Nov. 2018 Where to Stay The most charming hotels in the area cluster around the lake rather than the city center. Elizabeth Wellington, Vogue, "Exploring Annecy, the Venice of the French Alps," 7 Nov. 2018 At age 6, Ariel Serrano was among the first cluster of AFM patients in the fall of 2014. Sumathi Reddy, WSJ, "Another Burst of Polio-Like Cases in Children Alarms Doctors," 5 Nov. 2018 The Japanese drug maker Otsuka Pharmaceutical has signed a deal to buy Waltham, Mass.-based Visterra for $430 million, the latest example of a foreign pharmaceutical company establishing a presence in the white-hot Massachusetts biotech cluster. Jonathan Saltzman — Boston Globe, STAT, "Otsuka Pharma signs $430m deal to buy Visterra and its antibody therapies," 11 July 2018 But some states have previously announced clusters, including Minnesota, Illinois, Colorado, New York and Washington. Mike Stobbe, The Seattle Times, "Cases of mysterious paralyzing illness reported in 22 states," 16 Oct. 2018 The new car-building cluster, largely meant to serve local and regional demand, could become the model for companies rethinking their global supply chains as trade barriers rise around the world, largely spurred by President Trump’s policies. William Boston, WSJ, "Car Makers Turning North Africa Into Auto Hub," 30 Sep. 2018 Drug use may be behind a small cluster of recent HIV diagnoses in North Seattle, prompting health officials to warn about the potential for a large outbreak. Alexandria Hein, Fox News, "Cluster of HIV cases in North Seattle prompt concern of potential outbreak," 31 Aug. 2018 The Coma Cluster, one of the densest galaxy clusters know to humanity, sits inside the frame which means there at least a thousand different galaxies featured in the image. David Grossman, Popular Mechanics, "Every Dot in This Picture Is a Galaxy," 17 July 2018

Recent Examples on the Web: Verb

Last night, tons of new players on my server were clustered around the opening areas, and not once did someone try to shoot me. Patricia Hernandez, The Verge, "Fallout 76 players are helping newbies by acting like NPCs," 14 Nov. 2018 Cortex Staff There are signs of tech growth, but the region is still playing catch up Technology, and tech funding, is still clustered on the coasts. Patrick Sisson, Curbed, "The unheralded success of flyover states," 18 Oct. 2018 Afternoon highs should cluster near 90 degrees Sunday and, coupled with dew points in the 70s, peak afternoon heat indexes should reach the middle and upper 90s. Tom Skilling, chicagotribune.com, "Warm and muggy through Monday, then comfortably cooler," 14 July 2018 This year's Macy’s Fourth of July extravaganza will be happening on five barges stationed along the East River, clustered between Houston and East 41st Streets, according to Macy's fireworks guide. refinery29.com, "Here Are The Best Places To Watch The Fireworks In NYC This Fourth Of July," 25 June 2018 Much of Richmond’s new development has clustered around the shoreline, where Salute has anchored a condo neighborhood that bloomed from a former shipyard. Rachel Swan, SFChronicle.com, "Patrons grieve end of popular Richmond restaurant: ‘A dagger to community’s heart’," 16 June 2018 On Kensington Avenue, news cameras and neighbors clustered to watch the sanitation crews work. Aubrey Whelan, Philly.com, "Philadelphia sweeps aside 2 heroin camps in Kensington. What happens now?," 30 May 2018 In choosing names, firms favor nautical terms and cities in New England Hedge funds don’t just cluster around the same stocks. BostonGlobe.com, "Investors dump GE shares," 17 May 2018 Candelabras Tiffany suggests clustering a few on tables. Maggie Burch, House Beautiful, "8 Things You Should Never Pass Up At Goodwill," 19 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cluster.' 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 cluster

Noun

before the 12th century, in the meaning defined above

Verb

14th century, in the meaning defined at transitive sense 1

History and Etymology for cluster

Noun

Middle English, from Old English clyster; akin to Old English clott clot

Verb

see cluster entry 1

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Statistics for cluster

Last Updated

11 Dec 2018

Look-up Popularity

Time Traveler for cluster

The first known use of cluster was before the 12th century

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More Definitions for cluster

cluster

noun

English Language Learners Definition of cluster

 (Entry 1 of 2)

: a group of things or people that are close together

cluster

verb

English Language Learners Definition of cluster (Entry 2 of 2)

: to come together to form a group

cluster

noun
clus·​ter | \ˈklə-stər \

Kids Definition of cluster

 (Entry 1 of 2)

: a number of similar things growing or grouped closely together : bunch a cluster of houses a flower cluster

cluster

verb
clustered; clustering

Kids Definition of cluster (Entry 2 of 2)

: to grow, collect, or assemble in a bunch

cluster

noun
clus·​ter | \ˈkləs-tər \

Medical Definition of cluster 

: a larger than expected number of cases of disease (as leukemia) occurring in a particular locality, group of people, or period of time

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Comments on cluster

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