(clusters, clustering, clustered)
1.
A cluster of people or things is a small group of them close together.
There's no town here, just a cluster of shops, cabins and motels at the side of the highway.
N-COUNT: oft N of n
2.
If people cluster together, they gather together in a small group.
The passengers clustered together in small groups...
The children clustered around me.
VERB: V together, V around/round n