clustering

A grouping of a number of similar things.

The grouping of a population based on ethnicity, economics or religion.

The undesirable contiguous grouping of elements in a hash table.

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.

I prithee let me bring thee where crabs grow, and I with my long nails will dig thee pig-nuts, Show thee a jay's nest, and instruct thee how To snare the nimble marmoset. I'll bring thee To clust'ring filberts, and sometimes I'll get thee Young scamels from the rock. Wilt thou go with me?