coil

(koil)

1. a. A series of connected spirals or concentric rings formed by gathering or winding: a coil of rope; long coils of hair.
   b. An individual spiral or ring within such a series.
2. A spiral pipe or series of spiral pipes, as in a radiator.
3. Electricity
   a. A wound spiral of two or more turns of insulated wire, used to introduce inductance into a circuit.
   b. Any of various devices of which such a spiral is the major component.
4. A roll of postage stamps prepared for use in a vending machine.

1. To wind in concentric rings or spirals.
2. To wind into a shape resembling a coil.

1. To form concentric rings or spirals.
2. To move in a spiral course: black smoke coiling up into the sky.

Related Forms:

• coilˈer noun

(koil)