a company or collection of living creatures; -- especially applied to sheep and birds, rarely to persons or (except in the plural) to cattle and other large animals; as, a flock of ravenous fowl.-a christian church or congregation; considered in their relation to the pastor, or minister in charge.-to gather in companies or crowds.-to flock to; to crowd.-a lock of wool or hair.-woolen or cotton refuse (sing. / pl.), old rags, etc., reduced to a degree of fineness by machinery, and used for stuffing unpholstered furniture.-very fine, sifted, woolen refuse, especially that from shearing the nap of cloths, used as a coating for wall paper to give it a velvety or clothlike appearance; also, the dust of vegetable fiber used for a similar purpose.-to coat with flock, as wall paper; to roughen the surface of (as glass) so as to give an appearance of being covered with fine flock.