flocks

1. A large number of birds, especially those gathered together for the purpose of migration.
2. A large number of animals, especially sheep or goats kept together.
3. Those served by a particular pastor or shepherd.
4. A large number of people.
5. A religious congregation.

1. To congregate in or head towards a place in large numbers.

   People flocked to the cinema to see the new film.

2. To flock to; to crowd.
3. To treat a pool with chemicals to remove suspended particles.

1. Coarse tufts of wool or cotton used in bedding.
2. A lock of wool or hair.
3. Very fine sifted woollen refuse, especially that from shearing the nap of cloths, formerly used as a coating for wallpaper to give it a velvety or clothlike appearance; also, the dust of vegetable fibre used for a similar purpose.

verb

To coat a surface with dense fibers or particles.