1. To wind or move in a spiral course
   "the muscles and nerves of his fine drawn body were coiling for action"; "black smoke coiling up into the sky"
   - gyrate, spiral 
2. Make without a potter's wheel
   - handbuild, hand-build 
3. Wind around something in coils or loops
   - loop, curl

1. A structure consisting of something wound in a continuous series of loops
   "a coil of rope"
   - spiral, volute, whorl, helix 
2. A round shape formed by a series of concentric circles (as formed by leaves or flower petals)
   - whorl, roll, curl, curlicue, ringlet, gyre, scroll 
3. A transformer that supplies high voltage to spark plugs in a petrol engine 
4. A contraceptive device placed inside a woman's womb 
5. Tubing that is wound in a spiral 
6. Reactor consisting of a spiral of insulated wire that introduces inductance into a circuit

Derived forms: coiling, coils, coiled

Type of: birth control device, construction, contraceptive, contraceptive device, forge, form, mold [N. Amer], mould [Brit, Cdn], preventative, preventive, prophylactic device, reactor, roll, round shape, shape, structure, transformer, tube, tubing, turn, twine, wind, work, wrap

Antonym: uncoil

Encyclopedia: Coil

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