• (RP) IPA: /ˈklʌstə/
  • (America) IPA: /ˈklʌstɚ/

cluster (plural clusters)

  1. A group or bunch of several discrete items that are close to each other.
    a cluster of islands
    • Her deeds were like great clusters of ripe grapes, / Which load the bunches of the fruitful vine.
    A cluster of flowers grew in the pot.
    A leukemia cluster has developed in the town.
  2. A number of individuals grouped together or collected in one place; a crowd; a mob.
    • 1667, John Milton, “Book 1”, in Paradise Lost. A Poem Written in Ten Books, London: Printed [by Samuel Simmons], and are to be sold by Peter Parker […] [a]nd by Robert Boulter […] [a]nd Matthias Walker, […], OCLC 228722708 ↗; republished as Paradise Lost in Ten Books: The Text Exactly Reproduced from the First Edition of 1667: […], London: Basil Montagu Pickering […], 1873, OCLC 230729554 ↗:
      As Bees […] / Poure forth their populous youth about the Hive / In clusters.
      c. 1608–1609, William Shakespeare, “The Tragedy of Coriolanus”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act IV, scene vi]:
      We loved him; but, like beasts / And cowardly nobles, gave way unto your clusters, / Who did hoot him out o' the city.
  3. (astronomy) A group of galaxies or stars that appear near each other.
    The Pleiades cluster contains seven bright stars.
  4. (linguistics, education) A sequence of two or more words that occur in language with high frequency but are not idiomatic; a chunk, bundle, or lexical bundle.
    examples of clusters would include "in accordance with", "the results of" and "so far"
  5. (music) A secundal chord of three or more notes.
  6. (phonetics) A group of consonants.
    The word "scrub" begins with a cluster of three consonants.
  7. (computing) A group of computers that work together.
  8. (computing) A logical data storage unit containing one or more physical sectors (see block).
  9. (statistics) A significant subset within a population.
  10. (military) Set of bombs or mines.
  11. (army) A small metal design that indicates that a medal has been awarded to the same person before.
  12. (chemistry) An ensemble of bound atoms or molecules, intermediate in size between a molecule and a bulk solid.
Translations Translations Translations Translations Translations Translations
  • German: Cluster
  • Portuguese: cluster
  • Russian: кла́стер
  • Spanish: grupo
Translations Translations Verb

cluster (clusters, present participle clustering; past and past participle clustered)

  1. (intransitive) To form a cluster or group.
    The children clustered around the puppy.
    • ?, Alfred Tennyson, Oenone
      His sunny hair / Cluster'd about his temples, like a god's.
    • the princes of the country clustering together
    • 1997, Lynn Keller, Forms of Expansion: Recent Long Poems by Women, University of Chicago Press, ISBN 0226429709, chapter 6, gbooks Ysi8Y0NLnWsC:
      On the page, “Me” is irregular but—except for a prominent drawing of a two-toned hieroglyphic eye—not radically unusual: the lines are consistently left-justified; their length varies from one to a dozen syllables; they cluster in stanzalike units anywhere from one to six lines long that are separated by consistent spaces.
  2. (transitive) To collect into clusters.
  3. (transitive) To cover with clusters.

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