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

  • n. A group of the same or similar elements gathered or occurring closely together; a bunch: "She held out her hand, a small tight cluster of fingers” ( Anne Tyler).
  • n. Linguistics Two or more successive consonants in a word, as cl and st in the word cluster.
  • n. A group of academic courses in a related area.
  • intransitive v. To gather or grow into bunches.
  • transitive v. To cause to grow or form into bunches.

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from the GNU version of the Collaborative International Dictionary of English

  • n. A number of things of the same kind growing together; a bunch.
  • n. A number of similar things collected together or lying contiguous; a group.
  • n. A number of individuals grouped together or collected in one place; a crowd; a mob.
  • intransitive v. To grow in clusters or assemble in groups; to gather or unite in a cluster or clusters.
  • transitive v. To collect into a cluster or clusters; to gather into a bunch or close body.

from The Century Dictionary and Cyclopedia

  • 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.
  • n. A number of things, as fruits, growing naturally together; a bunch, particularly ot grapes or other fruit growing similarly.
  • n. 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.

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

  • v. gather or cause to gather into a cluster
  • n. a grouping of a number of similar things
  • v. 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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  • "Sweetheart, I need to find you here. I do believe that our love will bloom always fairer, fresher, more gracious, because it is a true love, and because genuine love is ever increasing. It is a beautiful plant growing from year to year in the heart, ever extending its palms and branches, doubling every season its glorious clusters and perfumes; and, my dear life, tell me, repeat to me always, that nothing bruise its bark or its delicate leaves, that it will grow larger in both our hearts, loves, free, watched over, like a life within our life..."

    - spam.

    October 26, 2009