Cluster (spacecraft), constellation of four European Space Agency spacecraft Cluster II (spacecraft), a European Space Agency mission to study the magnetosphere Asteroid cluster, …

The meaning of CLUSTER is a number of similar things that occur together. How to use cluster in a sentence.

CLUSTER definition: 1. a group of similar things that are close together, sometimes surrounding something: 2. a group…. Learn more.

CLUSTER definition: a number of things of the same kind, growing or held together; a bunch. See examples of cluster used in a sentence.

If people cluster together, they gather together in a small group. The passengers clustered together in small groups.

A group of the same or similar elements gathered or occurring closely together; a bunch: "She held out her hand, a small tight cluster of fingers" (Anne Tyler).

cluster: A group of the same or similar elements gathered or occurring closely together; a bunch.