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English definition of “swarm”

swarm

noun     /swɔːm/ US  /swɔːrm/
[C] a large group of insects all moving together: a swarm of bees/wasps/ants/locusts The dead sheep was covered with swarms of flies.Animal groupings [C, + sing/pl verb] a large group of people all moving together: A swarm of/Swarms of journalists followed the film star's car.Groups of people
(Definition of swarm noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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