Webster's Revised Unabridged Dictionary · 1913

Flock

Flock , noun

[Anglo-Saxon flocc flock, company; akin to Icelandic flokkr crowd, Swedish flock, Danish flok; prob. orig. used of flows, and akin to English fly. See Fly.]

1.
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. — Milton
The heathen... came to Nicanor by flocks. — 2 Macc. xiv. 14
2.
A Christian church or congregation; considered in their relation to the pastor, or minister in charge.
As half amazed, half frighted all his flock. — Tennyson

Flock , intransitive verb

To gather in companies or crowds.
Friends daily flock. — Dryden
Collocations (1)
Flocking fowl (Zoology) , the greater scaup duck.

Flock , transitive verb

To flock to; to crowd. [Obsolete]
Good fellows, trooping, flocked me so. — Taylor (1609)

Flock , noun

[Old English flokke; compare Dutch vlok, German flocke, Old High German floccho, Icelandic flōki, perh. akin to English flicker, flacker, or compare Latin floccus, French floc.]

1.
A lock of wool or hair.
I prythee, Tom, beat Cut's saddle, put a few flocks in the point [pommel]. — Shakespeare
2.
Woolen or cotton refuse (sing. o pl.), old rags, etc., reduced to a degree of fineness by machinery, and used for stuffing unpholstered furniture.
3.
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.
Collocations (2)
Flock bed , a bed filled with flocks or locks of coarse wool, or pieces of cloth cut up fine. Once a flock bed, but repaired with straw. — Pope
Flock paper , paper coated with flock fixed with glue or size.

Flock , transitive verb

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.