Clustered means gathered closely in a group. Clustered together, clustered around the door, clustered houses.
In statistics a clustered pattern is one of the three basic distributions — clustered, regular and random — and telling them apart is how disease outbreaks and mineral deposits are both found. Things clustered in space usually share a cause.
1adjectiveclusteredGathered closely in a group.
“The children stood clustered around the teacher to see the baby rabbit.”
clustered is a quality of arrangement.