swarm(redirected from Fish school)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
- a group of social insects, especially bees led by a queen, that has left the parent hive in order to start a new colony
- a large mass of small animals, especially insects.
- ability of certain MICROORGANISMS to move in a collective and ordered manner across a surface. For example, colonies of Proteus swarm in a series of concentric rings across an AGAR plate.