clustered russian
ку́чный
tight-grouping, closely grouped, accurate (in grouping)
clustered, grouped, heaped, piled
группиро́ванный
grouped, clustered, arranged in groups
Examples
They clustered around the fire.
tight-grouping, closely grouped, accurate (in grouping)
clustered, grouped, heaped, piled
grouped, clustered, arranged in groups
They clustered around the fire.