Swarm \Swarm\, v. i. [imp. & p. p. Swarmed; p. pr. & vb. n. Swarming.]

1. To collect, and depart from a hive by flight in a body; -- said of bees; as, bees swarm in warm, clear days in summer.

2. To appear or collect in a crowd; to throng together; to congregate in a multitude. --Chaucer.

3. To be crowded; to be thronged with a multitude of beings in motion.

Every place swarms with soldiers. --Spenser.

4. To abound; to be filled (with). --Atterbury.

5. To breed multitudes.

Not so thick swarmed once the soil Bedropped with blood of Gorgon. --Milton.

Source: Webster's Revised Unabridged Dictionary (1913)