cluster

noun
UK /ˈklʌstə/
US /ˈklʌstər/

A cluster is a small group of things that are close together.

We saw a cluster of stars in the night sky.


OTHER MEANINGS

2. A group of people or things gathered closely together.

A cluster of fans waited outside the theater.

3. A group of computers connected to work together.

The company built a computer cluster to handle big jobs.

4. To come together in a small, close group.

The bees clustered around the flowers.