'Clustering' definitions:

Definition of 'clustering'

From: WordNet
noun
A grouping of a number of similar things; "a bunch of trees"; "a cluster of admirers" [syn: bunch, clump, cluster, clustering]

Definition of 'Clustering'

From: GCIDE
  • Cluster \Clus"ter\, v. i. [imp. & p. p. Clustered; p. pr. & vb. n. Clustering.] To grow in clusters or assemble in groups; to gather or unite in a cluster or clusters. [1913 Webster]
  • His sunny hair Cluster'd about his temples, like a god's. --Tennyson. [1913 Webster]
  • The princes of the country clustering together. --Foxe. [1913 Webster]