- 1a group of things of the same type that grow or appear close together a cluster of stars The plant bears its flowers in clusters. a leukemia cluster (= an area where there are more cases of the disease than you would expect)
- 2a group of people, animals, or things close together a cluster of spectators a little cluster of houses
- 3(phonetics) a group of consonants which come together in a word or phrase, for example/str/ at the beginning of string a consonant cluster
Check pronunciation: cluster