coil

a structure consisting of something wound in a continuous series of loops; "a coil of rope"

a round shape formed by a series of concentric circles (as formed by leaves or flower petals)

a transformer that supplies high voltage to spark plugs in a gasoline engine

a contraceptive device placed inside a woman's womb

tubing that is wound in a spiral

reactor consisting of a spiral of insulated wire that introduces inductance into a circuit

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"

make without a potter's wheel; "This famous potter hand-builds all of her vessels"

wind around something in coils or loops