swarm

US /swɔːrm/
UK /swɔːrm/
"swarm" picture
1.

a large number of insects or other animals, especially bees, moving together in a mass

:
A swarm of bees attacked the picnic.
We saw a huge swarm of locusts in the field.
2.

a large number of people or things

:
A swarm of tourists descended on the museum.
The city was filled with a swarm of cars during rush hour.
1.

of insects or other animals: move in or form a large, dense group

:
The bees swarmed around the hive.
Locusts swarmed over the crops, destroying everything.
2.

of a place: be full of moving people or animals

:
The market was swarming with shoppers.
The beach was swarming with tourists during the summer.