clustered
adjective
[ ˈklʌstəd ]
• growing or situated in a group.
• "the spires and clustered roofs of the old town"
cluster
verb
• form a cluster or clusters.
• "the children clustered round her skirts"
Similar:
congregate,
gather,
collect,
group,
come together,
assemble,
huddle,
crowd,
flock,
press,
pack,
mass,
swarm,
Origin:
Old English clyster ; probably related to clot.