Something wound in the form of a helix or spiral. / Any intrauterine device (Abbreviation: IUD)—the first IUDs were coil-shaped.

To wind or reel e.g. a wire or rope into regular rings, often around a centerpiece. / To wind into loops (roughly) around a common center. / To wind cylindrically or spirally.

(now obsolete except in phrases) A noise, tumult, bustle, or turmoil.

simple past tense and past participle of coil

In the form of coils; having coils. / Prepared and poised to act, like a snake that has coiled its lower body so it can strike.

plural of coil

Third-person singular simple present indicative form of coil

present participle of coil

The pattern or motion of something that coils. / The process of fitting a ship with electromagnetic coils, so that it can be degaussed while travelling.

plural of coiling