horde

/hɔːrd/
noun
  1. A large group of people, often moving together or causing trouble.
    • The tourists arrived in a horde, filling the entire square.
    • A horde of fans rushed the stage after the concert.
    • During the sale, a horde of shoppers pushed through the doors.
  2. A large, moving group of animals, especially insects or small creatures.
    • We saw a horde of crabs scuttling along the beach at sunset.
    • The farmer worried about a horde of locusts destroying his crops.
    • A horde of ants marched across the kitchen floor.