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 clustering (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 clustery (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

Vicky Lane Extension development Council members upheld a Planning Commission recommendation to approve a preliminary subdivision plan for a single-family cluster home development on Vicky Drive. Brian Lisik, cleveland.com, "Brunswick City Council approves several construction agreements ahead of August recess," 30 July 2019 Fragrant flower clusters come in a variety of colors, sometimes with multiple colors mixed together. Karen Dardick, San Diego Union-Tribune, "Summer blooms that can take the heat," 18 July 2019 White flower clusters bloom from mid-May through July and can easily be confused with native cow parsnip. oregonlive.com, "Toxic giant hogweed sap that burns, blisters skin found in Clark County," 13 July 2019 The other native dogwood, called roughleaf dogwood, grows well in any soil, has white flower clusters in early summer and purple fall color. Howard Garrett, Dallas News, "Not big on big trees? These little ones grow well in sun and shade," 9 July 2019 The densest cluster lives, not surprisingly, in the Ramble, a heavily wooded interior section of the park. Kaitlyn Schwalje, National Geographic, "How many squirrels live in NYC’s Central Park? We finally have the answer.," 20 June 2019 The National Weather Service explains the four types of thunderstorms: single cell; multi-cell cluster; squall line; and supercell. Howard Cohen, miamiherald, "Parts of Florida under a severe weather warning. Conditions favor a round of storms," 4 June 2019 The cluster-rush that was the most-recent Texas Legislative session ended over Memorial Day weekend. Peter Dawson, Houston Chronicle, "Gov. Abbott signs laws affecting guns, booze to-go, burned vets, traffic cams, and feral hogs," 4 June 2019 Lurking in a large cluster of players who shot 68s is Brooks Koepka, who has won four majors in the past two years — two U.S. Opens and two PGA Championships — and finished second at the Masters and U.S. Open this year. Los Angeles Times, "J.B. Holmes takes British Open lead with Brooks Koepka lurking," 18 July 2019

Recent Examples on the Web: Verb

Some thoughtful neighbor has kept the front lawn trimmed in ruler-straight swaths, and the petunias clustered around the stoop still bloom brightly. Steve Trumpeter, chicagotribune.com, "2019 Algren Awards: Finalist: A Pamphlet for This," 20 July 2019 There are nearly 170,000 tech workers with the highest concentrations of jobs clustered around Dallas' Uptown neighborhood and in suburbs like Las Colinas and Plano. Dallas News, "Millennial magnet: Dallas outranks all in attracting young professionals," 19 July 2019 The official declined to speak to the growing group of media clustered around the parking lot entrance. San Diego Union-Tribune, "Tijuana asylum line reaches highest count on record as migrants protest long waits," 9 July 2019 Six artists have been chosen to paint murals for a new corridor of public art clustered around the East Tosa area near North Avenue and 68th and 69th streets, according to a posting on the city's website. Karen Pilarski, Milwaukee Journal Sentinel, "Six artists from across the globe have been selected to paint murals in East Wauwatosa," 2 July 2019 But on the other side of Denver, legalization has turned another high school student, David Perez, against the warehouselike marijuana cultivations now clustered around his neighborhood. Jack Healy, New York Times, "Reefer Madness or Pot Paradise? The Surprising Legacy of the Place Where Legal Weed Began," 30 June 2019 The band of self-interested survivors clustered around the prime minister are not paragons of consistency or principle. The Economist, "The leader of the Thai junta tortures the rules to remain in power," 8 June 2019 Then there’s the world’s smallest shark, the six-inch lanternshark, which advertises its own goods via photophores (or light-producing organs) clustered around its reproductive organs. Liz Langley, National Geographic, "How bioluminescence works in nature," 2 May 2019 Here’s a lineup of how the 20 candidates cluster by age compared to one another and to past presidents, spanning four generations by the common definitions from the Pew Research Center. Time, "Is It Time to 'Pass the Torch?' The Generational Dilemma of the 2020 Democratic Primary," 30 July 2019

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