swarm
A large number of insects, especially when in motion or (for bees) migrating to a new colony.
A mass of people, animals or things in motion or turmoil.
(computing) A group of nodes sharing the same torrent in a BitTorrent network.
(seismology) A number of small earthquakes (or other seismic events) occurring, with no clear cause, in a specific area within a relatively short space of time.
To move as a swarm.
To teem, or be overrun with insects, people, etc.
To fill a place as a swarm.
To overwhelm as by an opposing army.
To climb by gripping with arms and legs alternately.
To breed multitudes.