cluster
1. clus.ter \kl*s-t*r\ \-t(*-)re-\ n [ME, fr. OE clyster; akin to OE clott clot] 1: a number of similar things growing together or of things or persons coll ected or grouped closely together : BUNCH 2: two or more consecutive consonants or vowels in a segment of speech - clus.tery aj 2. cluster \-t(*-)rin\ vb or clus.ter.ing 1: to collect into a cluster 2: to furnish with clusters : to grow or assemble in a cluster