cluster - definition and synonyms

 
noun [countable] 

Your browser doesn’t support HTML5 audio

/ˈklʌstə(r)/
singularcluster
pluralclusters
  1. 1
    a small group of people or things that are very close to each other
    1. a.
      astronomy a lot of stars that are close to each other
  2. 2
    a series of events of the same type, for example cases of a disease, that all happen in the same place or around the same time