1. A group of many things in the air or on the ground
   "a swarm of insects obscured the light";
   - cloud
    
2. A moving crowd
   "A swarm of protesters marched down the street";
   - drove, horde

1. Move in large numbers
   "Tourists swarmed through the museum";
   - pour, stream, teem, pullulate
    
2. Be teeming, be abuzz
   "The garden was swarming with bees";
   - teem, pullulate

Derived forms: swarms, swarming, swarmed

Type of: buzz, crowd, crowd together, group, grouping, hum, seethe

Encyclopedia: Swarm