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English definition of “swarm”

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swarm

noun [C]  /swɔrm/ us  
a large group of insects, esp. bees, or any large, busy group: Swarms of reporters descended on the little town.

swarm

verb [I always + adv/prep]  /swɔrm/ us  
to move in a large group: In summer, mosquitoes swarm around that pond. The playground swarmed with little kids.
(Definition of swarm from the Cambridge Academic Content Dictionary © Cambridge University Press)
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