swarmnoun/swɔɹm/

• 1

  A large number of insects or other bugs (e.g. centipedes), especially when in motion or (for bees) migrating to a new colony.

  • […] reſtleſs thoughts, that like a deadly ſwarm / Of Hornets arm'd […] ruſh upon me thronging,
• 2

  A mass of people, animals or things in motion or turmoil.

  • a swarm of meteorites
  • those prodigious swarms that had settled themselves in every part of it [Italy]
• 3

  computingengineeringmathematicsA group of nodes sharing the same torrent in a BitTorrent network.

• 4

  geographygeologynatural-sciencesA number of small earthquakes (or other seismic events) occurring, with no clear cause, in a specific area within a relatively short space of time.

  • Earthquakes were another concern, particularly after swarms were felt in Oklahoma.

swarmverb/swɔɹm/

• 1

  To move as a swarm.

  • There is an hour or two, after the passengers have embarked, which is disquieting and fussy. Mail bags, so I understand, are being put on board. Stewards, carrying cabin trunks, swarm in the corridors.
  • When I was there, at about 0200 this morning [15 May], hundreds of students had swarmed up the steps of the Great Hall and sat there making political speeches. Troops were moved in, 100 or so filed out of the hall and drove the students back, but they were extremely gentle, saying xiexie, xiexie, thank you, thank you, and the relations seemed to be extremely good; I don't think that there is anything the authorities can do now to get them off even though they have said the square will be closed to pedestrians.
• 2

  To teem, or be overrun with insects, people, etc.

  • Every place swarming with soldiers.
• 3

  To fill a place as a swarm.

  • All is well until Treorchy, where the platform is swamped by teenagers who have been attending an event. Around four dozen unescorted 12 to 16 year-olds swarm aboard and begin to run riot through the train. Their behaviour is appalling and the presence of CCTV no deterrent.
• 4

  To overwhelm as by an opposing army.

  • So, yeah. The overall conclusion of the big gunfight being that, if Yamato is able to tackle the Colorados early, then the Japanese probably have a, maybe a sixty-to-sixty-five-percent chance of pulling this off... although you say "pulling it off", it's more a case of "the Japanese are the last battleship standing"; they tend to then just get swarmed by angry Fletchers[…]
• 5

  To climb by gripping with arms and legs alternately.

  • At the top was placed a piece of money, as a prize for those who could swarm up and seize it.
  • She called out, and a boy came running along. He swarmed up a tree, and presently threw down a ripe nut. Ata pierced a hole in it, and the doctor took a long, refreshing draught.
• 6

  To breed multitudes.

  • Not ſo thick ſwarm'd once the Soil / Bedropt with blood of Gorgon,