coil
noun
°Something wound in the form of a helix or spiral.
°Common name for any intra-uterine contraceptive device (Abbreviation: IUD)—the first IUDs were coil-shaped.
verb
°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.
synonyms: inductor