What is the meaning of herd?

noun

• A group of cattle or sheep or other domestic mammals all of the same kind that are herded by humans.
• A group of wild mammals of one species that remain together: antelope or elephants or seals or whales or zebra.
• A crowd especially of ordinary or undistinguished persons or things.
  • usage: "his brilliance raised him above the ruck"; "the children resembled a fairy herd"
  • synonyms: ruck

verb

• Cause to herd, drive, or crowd together.
  • usage: "We herded the children into a spare classroom"
  • synonyms: crowd
• Move together, like a herd.
• Keep, move, or drive animals.
  • usage: "Who will be herding the cattle when the cowboy dies"