n A number of birds together in a group, such as those gathered together for the purpose of migration.
n A large number of animals associated together in a group; commonly used of sheep, but (dated) also used for goats, farmed animals, and a wide variety of animals.
n Those served by a particular pastor or shepherd.herd/flock
n A large number of people.
n (Christianity) A religious congregation.
v (intransitive) To congregate in or head towards a place in large numbers.
v (transitive, obsolete) To flock to; to crowd.
v To treat a pool with chemicals to remove suspended particles.
n Coarse tufts of wool or cotton used in bedding.
n A lock of wool or hair.
n 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.
v (transitive) To coat a surface with dense fibers or particles; especially, to create a dense arrangement of fibers with a desired nap.
v To cover a Christmas tree with artificial snow.
n A surname.