To form a cluster or group.
The children clustered around the puppy.
To collect into clusters.
To cover with clusters.
The action of the verb to cluster.
A grouping of a number of similar things.
(demographics) The grouping of a population based on ethnicity, economics or religion.
The undesirable contiguous grouping of elements in a hash table.
(writing) A prewriting technique consisting of writing ideas down on a sheet of paper around a central idea within a circle, with the related ideas radially joined to the circle using rays.
Forming a cluster.