cluster

noun
clus·​ter | \ ˈklə-stər How to pronounce cluster (audio) \

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\ ˈklə-​st(ə-​)riŋ How to pronounce cluster (audio) \

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 \ ˈklə-​st(ə-​)rē How to pronounce cluster (audio) \ 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 New Zealand on Friday suspended its quarantine-free travel bubble with Australia for at least eight weeks due to a growing COVID-19 cluster in Sydney. Fox News, 23 July 2021 An outbreak in Provincetown, Mass., illustrates how quickly a cluster can grow, given the right conditions. New York Times, 22 July 2021 An outbreak in Provincetown, Massachusetts, illustrates how quickly a cluster can grow, given the right conditions. BostonGlobe.com, 20 July 2021 And two of the three cases identified last week in connection with a Southeast Alaska cruise involved people who were fully vaccinated; that cluster has now grown to 10 cases. Morgan Krakow, Anchorage Daily News, 16 July 2021 There have been a number of cluster breakthrough cases in recent weeks. Erin Corbett, refinery29.com, 13 July 2021 Inside, there's a newly available digital instrument cluster and Amazon Alexa connectivity. Eric Stafford, Car and Driver, 13 July 2021 In the Ising model, when magnetism is still intact and a phase transition hasn’t occurred yet, most arrows point up in one massive cluster. Allison Whitten, Wired, 11 July 2021 In the Ising model, when magnetism is still intact and a phase transition hasn’t occurred yet, most arrows point up in one massive cluster. Quanta Magazine, 8 July 2021 Recent Examples on the Web: Verb An initial focus will be to employ artificial intelligence/machine learning algorithms to cluster and recognize similarities and patterns in features of the data points. Editorial Board, Star Tribune, 2 July 2021 The only problem was that the older, better hockey teams played first, so when my brother’s team was starting, the older teams would be emerging from the locker room and begin to cluster around the pinball machine. Sarah Miller, The New Yorker, 7 July 2021 Although Hill had never been charged with murder, one notable aspect of his M.O. was his tendency to cluster crimes. Catherine Rentz, ProPublica, 18 June 2021 The software must teach itself to cluster videos into groups based on both their visual and audio content. Jeremy Kahn, Fortune, 16 Mar. 2021 Unsupervised learning, on the other hand, can spin through vast data volumes in near real time (although with less transparency into the means used to cluster data). Muddu Sudhakar, Forbes, 15 June 2021 The nine projects reinforce the city’s tendency to cluster affordable housing in the Tenderloin and South of Market. J.k. Dineen, San Francisco Chronicle, 27 May 2021 Single- and two-story homes, joined in pairs by a prefabricated common core that contains the plumbing, cluster around a landscaped court. Justin Davidson, Curbed, 26 May 2021 The fetal cells embedded in our hearts may help new mothers survive heart attacks, while the ones in mom brains seem to cluster in regions related to maternal impulses, or so a study in mice suggested. Abigail Tucker, Washington Post, 6 May 2021

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 and Verb

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

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Learn More About cluster

Time Traveler for cluster

Time Traveler

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

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Dictionary Entries Near cluster

Clusiaceae

cluster

cluster analysis

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Statistics for cluster

Last Updated

26 Jul 2021

Cite this Entry

“Cluster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cluster. Accessed 30 Jul. 2021.

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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 How to pronounce cluster (audio) \

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 How to pronounce cluster (audio) \

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

More from Merriam-Webster on cluster

Nglish: Translation of cluster for Spanish Speakers

Britannica English: Translation of cluster for Arabic Speakers

Britannica.com: Encyclopedia article about cluster

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