from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A group of the same or similar elements gathered or occurring closely together; a bunch.
  • noun Linguistics Two or more successive consonants in a word, as cl and st in the word cluster.
  • noun A group of academic courses in a related area.
  • intransitive verb To gather or grow into bunches.
  • intransitive verb To cause to grow or form into bunches.

from The Century Dictionary.

  • noun A number of things, as fruits, growing naturally together; a bunch, particularly ot grapes or other fruit growing similarly.
  • noun A number of persons or things of any kind collected or gathered into a close body; a nearly conjoined group or collection: as, a cluster of islands.
  • To form or constitute a cluster or clusters; grow or be placed in clusters or groups; gather in a group or groups.
  • To collect into a cluster or group.
  • To produce in a cluster or clusters.
  • To cover with clusters.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A number of things of the same kind growing together; a bunch.
  • noun A number of similar things collected together or lying contiguous; a group.
  • noun A number of individuals grouped together or collected in one place; a crowd; a mob.
  • intransitive verb To grow in clusters or assemble in groups; to gather or unite in a cluster or clusters.
  • transitive verb To collect into a cluster or clusters; to gather into a bunch or close body.
  • transitive verb (Arch.) a column which is composed, or appears to be composed, of several columns collected together.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A group or bunch of several discrete items that are close to each other.
  • noun astronomy A group of galaxies or stars that appear near each other.
  • noun music A secundal chord of three or more notes.
  • noun phonetics A group of consonants.
  • noun computing A group of computers that work together.
  • noun computing A logical data storage unit containing one or more physical sectors (see block).
  • noun statistics A significant subset within a population.
  • noun military Set of bombs or mines.
  • noun army A small metal design that indicates that a medal has been awarded to the same person before.
  • verb intransitive To form into a cluster.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb gather or cause to gather into a cluster
  • noun a grouping of a number of similar things
  • verb come together as in a cluster or flock


from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English, from Old English clyster.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English cluster, from Old English cluster, clyster ("cluster, bunch, branch"), from Proto-Germanic *klus-, *klas- (“to clump, lump together”) + Proto-Germanic *-þran (instrumental suffix), related to Low German kluster ("cluster"), Dutch dialectal klister ("cluster"), Swedish kluster ("cluster"), Icelandic klasi ("cluster; bunch of grapes").


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    October 26, 2009