Meaning

• Something wound in the form of a helix or spiral.

  "the sinuous coils of a snake"

• Any intrauterine device (Abbreviation: IUD)—the first IUDs were coil-shaped.

• A coil of electrically conductive wire through which electricity can flow.

• Entanglement; perplexity.

Meaning

• To wind or reel e.g. a wire or rope into regular rings, often around a centerpiece.

  "A simple transformer can be made by coiling two pieces of insulated copper wire around an iron heart."

• To wind into loops (roughly) around a common center.

  "The sailor coiled the free end of the hawser on the pier."

• To wind cylindrically or spirally.

  "The snake coiled itself before springing."

• To encircle and hold with, or as if with, coils.