Webster's Revised Unabridged Dictionary · 1913

Cop

Cop (kop) , noun

[Anglo-Saxon cop; compare German kopf head. Compare Cup, Cob.]

1.
The top of a thing; the head; a crest. [Obsolete]
Cop they used to call The tops of many hills. — Drayton
2.
A conical or conical-ended mass of coiled thread, yarn, or roving, wound upon a spindle, etc.
3.
A tube or quill upon which silk is wound.
4.
(Military Architecture) Same as Merlon.
5.
A policeman. [Slang]
Collocations (1)
Cop waste , a kind of cotton waste, composed chiefly of remnants of cops from which the greater part of the yarn has been unwound.