Definition of Swarm

a large group of flying insects

Examples of Swarm in a sentence

You should run if you encounter a swarm of mosquitos.  🔊

Hornets don’t usually travel in numbers great enough to be considered a swarm.  🔊

A swarm of gnats will almost look like black dust in the sky.  🔊

Bees will attack in a swarm if you mess with their beehive.  🔊

A swarm of flies usually congregate around feces and garbage.  🔊

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