cop

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cop

a conical roll of thread wound on a spindle

Cop

 

in textile manufacture, a type of yarn package on spinning machines with spindles when the yarn is wound on a bobbin, tube, or the spindle itself. Its shape is conical or, less often, cylindrical; in the latter case the ends may be conical. A cop should be strong and thick and permit easy unwinding of the yarn in an axial direction.

coping

coping of terra-cotta
A protective cap, top, or cover of wall, parapet, pilaster, or chimney; often of stone, terra-cotta, concrete, metal, or wood. May be flat, but commonly sloping, double-beveled, or curved to shed water so as to protect masonry below from penetration of water from above. Most effective if extended beyond wall face and cut with a drip. Also see featheredged coping.

merlon

merlon
In an embattled parapet, one of the solid alternates between the embrasures. also see battlement.
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