D defs.my
Entry 5 senses Webster, 1913

Cop

/(kŏp)/ · IPA /kɑp/
01 n. The top of a thing; the head; a crest.
  1. 1.
    The top of a thing; the head; a crest.[Obs.]
    Cop they used to call The tops of many hills.” Drayton.
  2. 2.
    A conical or conical-ended mass of coiled thread, yarn, or roving, wound upon a spindle, etc.
  3. 3.
    A tube or quill upon which silk is wound.
  4. 4.
    Same as Merlon.(Mil. Arch.) See: Merlon
  5. 5.
    A policeman.[Slang]
Phrases & compounds
Cop waste — a kind of cotton waste, composed chiefly of remnants of cops from which the greater part of the yarn has been unwound.