coil

What is the Definition of coil?

Noun:

1. a structure consisting of something wound in a continuous series of loops
2. a round shape formed by a series of concentric circles (as formed by leaves or flower petals)
3. a transformer that supplies high voltage to spark plugs in a gasoline 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

Verb:

1. to wind or move in a spiral course
2. make without a potter's wheel
3. wind around something in coils or loops

Other meanings of coil (synonyms, cognates).