Meanings

to swarm

to crowd in

group of robbers

many communities (villages)

group

growing en masse in one location (of plants)

Gunma Prefecture (Kanto area)

renormalisation group

to crowd

lively group (esp. of young people)

swarm earthquakes

to gather in large groups

colony

rival chiefs

group

gregariousness

island group

rivalry of local warlords

experimental group

school of fish