Dictionary

1cluster

noun clus·ter \ˈkləs-tər\

: a group of things or people that are close together

Full Definition of CLUSTER

:  a number of similar things that occur together: 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
d :  a larger than expected number of cases of disease (as leukemia) occurring in a particular locality, group of people, or period of time
clus·tery \-t(ə-)rē\ adjective
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Examples of CLUSTER

  1. a cluster of cottages along the shore
  2. A small cluster of people had gathered at the scene of the accident.

Origin of CLUSTER

Middle English, from Old English clyster; akin to Old English clott clot
First Known Use: before 12th century

2cluster

verb

: to come together to form a group

clus·teredclus·ter·ing \-t(ə-)riŋ\

Full Definition of CLUSTER

transitive verb
1
:  to collect into a cluster <cluster the tents together>
2
:  to furnish with clusters
intransitive verb
:  to grow, assemble, or occur in a cluster <they clustered around the fire>

Examples of CLUSTER

  1. The children clustered around the storyteller.
  2. <the mice clustered together into a small burrow>

First Known Use of CLUSTER

14th century
CLUSTERED Defined for Kids

1cluster

noun clus·ter \ˈklə-stər\

Definition of CLUSTER for Kids

:  a number of similar things growing or grouped closely together :  bunch <a cluster of houses> <a flower cluster>

2cluster

verb
clus·teredclus·ter·ing

Definition of CLUSTER for Kids

:  to grow, collect, or assemble in a bunch
Medical Dictionary

cluster

noun clus·ter \ˈkləs-tər\

Medical Definition of CLUSTER

:  a larger than expected number of cases of disease (as leukemia) occurring in a particular locality, group of people, or period of time

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