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.
  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).
  5. To breed multitudes.
  Not so thick swarmed once the soil
  Bedropped with blood of Gorgon.   --Milton.