Main Entry: ²swarm

Function: verb

Date: 14th century

intransitive verb

1 : to form and depart from a hive in a swarm
2 a : to move or assemble in a crowd : throng b : to hover about in the manner of a bee in a swarm
3 : to contain a swarm : teem <swarming with bugs>transitive verb 1 : to fill with a swarm
2 : to beset or surround in a swarm <players swarming the quarterback>

— swarm·er noun