1. groups of similar things positioned close together

1. to form into a group or gather closely together

Examples

• The grapes hung in heavy clusters on the vine.
• Star clusters are visible through the telescope tonight.
• Several small towns form clusters along the river valley.
• The students clustered around the teacher to hear the announcement.
• Houses cluster together in the old part of the city.
• Data points cluster in the upper right corner of the graph.
• Flowers clustered at the base of the tree.