1 cluster | Definition of cluster

cluster

noun
clus·​ter | \ ˈklÉ™-stÉ™r 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\ ˈklÉ™-​st(É™-​)riÅ‹ 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 \ ˈklÉ™-​st(É™-​)rÄ“ 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

Bands of colors light up across the world and cluster together. Laris Karklis, Washington Post, "We’re at the peak of the global fire season," 30 Aug. 2019 Fourth Avenue in downtown San Diego, University Avenue in Hillcrest, North and South Santa Fe Avenue in Vista and South Coast Highway in Oceanside all saw clusters of incidents, according to The San Diego Union-Tribune analysis. Lyndsay Winkley, San Diego Union-Tribune, "Hate crimes cataloged: Five years of malice and spite in San Diego County," 30 Aug. 2019 Jail officials order certain clusters of cells on lockdown not for disciplinary purposes but when the jail is understaffed. Adam Ferrise, cleveland.com, "More than two dozen Cuyahoga County Jail inmates protest forced lockdowns," 26 Aug. 2019 Her most ambitious plan, to build a 17 square kilometer (6.5 square mile) cluster of artificial islands off Lantau at a cost of around $80 billion, has faced criticism and protests from local residents, environmentalists and opposition lawmakers. James Griffiths, CNN, "Hong Kong's summer of discontent is now longer than 2014's Umbrella Movement ... and isn't over yet," 26 Aug. 2019 Injuries hit hard, cluster at one position, put guys who were fourth on the depth chart or off an NFL roster at the start of September into starting lineups in November and December. Joel A. Erickson, Indianapolis Star, "Colts vs. Bears: 3 things to watch (even with the starters on the sideline)," 23 Aug. 2019 Pomegranate Pustules Pomegranates are already nasty little clusters of damp holes. Kiki O’keeffe Ysabel Yates, The New Yorker, "The All-Natural Ingredients in Our Disgusting Skin-Care Line," 22 Aug. 2019 Aside from the bodyguard, the coast appeared clear, with only a few clusters of people — mostly families with kids — scattered along the railing nearby. Larry Millett, Twin Cities, "From the archives: Murder-on-a-stick: A Pioneer Press serial mystery novel (Chapter 1)," 21 Aug. 2019 Many of the delegates will be housed in hotel clusters in downtown Milwaukee, near Mitchell International Airport and in Brookfield, convention organizers have said. Bill Glauber, Milwaukee Journal Sentinel, "Hotel assignments for 2020 DNC convention in Milwaukee could stretch to O'Hare," 19 Aug. 2019

Recent Examples on the Web: Verb

When hate crimes cluster Hate crimes were reported across the region between 2014 and 2018, but busy downtown areas were among the most common locations. Lyndsay Winkley, San Diego Union-Tribune, "Hate crimes cataloged: Five years of malice and spite in San Diego County," 30 Aug. 2019 A half-dozen people walking through public places, clustering around seeming nothingness and staring at their phones? Peter Rubin, WIRED, "Apple Puts the AR in 'Art' (and in 'Transparent Sky-Being')," 16 Aug. 2019 All the classroom furniture is also easily rearranged, for individual work or clustered into small groups. Arika Herron, Indianapolis Star, "A slide, solar panels and tons of natural light: Peek inside the coolest new elementary school," 6 Aug. 2019 Advocates of tighter controls on dollar stores say the big chains intentionally cluster multiple stores in low-income areas. Nathaniel Meyersohn, CNN, "Dollar stores are everywhere. That's a problem for poor Americans," 19 July 2019 There are too many great players clustered with him. Michael Rosenberg, SI.com, "Like Every Major These Days, the Open Turns Into Brooks Koepka vs. the World," 18 July 2019 The problem for Democrats, as Mr. Rodden documents, is that any electoral system based on geographically contiguous electoral districts will end up underrepresenting voters densely clustered by ideology. Lyman Stone, WSJ, "‘Why Cities Lose’ Review: Where Politics Meets Geography," 25 June 2019 School is canceled and a local golf course morphs into a ski lodge as kids sled down the hill at the driving range and parents cluster around the fireplace at the bar. Ezra Dyer, Popular Mechanics, "How I Started Making Snow and Turned My Place Into a Ski Resort," 19 Feb. 2019 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

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