coil meaning and definition

COIL noun

Definition of coil (noun)

1. a structure consisting of something wound in a continuous series of loops
   • "a coil of rope"
   • synonyms: helix, spiral, volute, whorl
2. a round shape formed by a series of concentric circles (as formed by leaves or flower petals)
   • synonyms: curl, curlicue, gyre, ringlet, roll, scroll, whorl
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

COIL verb

Definition of coil (verb)

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"; "the young people gyrated on the dance floor"
   • synonyms: gyrate, spiral
2. make without a potter's wheel
   • "This famous potter hand-builds all of her vessels"
   • synonyms: handbuild, hand-build
3. wind around something in coils or loops
   • synonyms: curl, loop
   • antonym: uncoil