Main Entry:

²cluster

Function:

verb

Inflected Form(s):

clus·tered; clus·ter·ing \-t(ə-)riŋ\

Date:

14th century

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>