to wind into continuous, regularly spaced rings one above the other

to coil a wire around a pencil.

to wind on a flat surface into rings one around the other

He coiled the rope on the deck.

to gather (rope, wire, etc.) into loops

She coiled the garden hose and hung it on the hook.

to form rings, spirals, etc.; gather or retract in a circular way

The snake coiled, ready to strike.

to move in or follow a winding course

The river coiled through the valley.

a connected series of spirals or rings into which a rope or the like is wound.

a single such ring.

an arrangement of pipes, coiled or in a series, as in a radiator.

a continuous pipe having inlet and outlet, or flow and return ends.

Medicine/Medical . an intrauterine device.

Electricity .

a conductor, as a copper wire, wound up in a spiral or other form.

a device composed essentially of such a conductor.

ignition coil.

Philately .

a stamp issued in a roll, usually of 500 stamps, and usually perforated vertically or horizontally only.

a roll of such stamps.

noun

bight , braid , circle , convolution , corkscrew , curlicue , gyration , helix , involution , lap , loop , ring , roll , scroll , spiral , tendril , turn , twine , twirl , twist , whorl , wind , entanglement , hank , intervolution , mesh , perplexity , querl , skein , solenoid , toil , volution

verb

convolute , convolve , corkscrew , fold , intertwine , intervolve , lap , loop , make serpentine , rotate , scroll , sinuate , snake , spiral , spire , turn , twine , twist , wind , wrap around , wreathe , writhe , curl , entwine , meander , weave , confusion , convolution , difficulty , encircle , fuss , ringlet , roll , skein , tense , tumult , whorl , windup