(1)   A structure consisting of something wound in a continuous series of loops
"A coil of rope"
(2)   Reactor consisting of a spiral of insulated wire that introduces inductance into a circuit
(3)   Tubing that is wound in a spiral
(4)   A contraceptive device placed inside a woman's womb
(5)   A transformer that supplies high voltage to spark plugs in a gasoline engine
(6)   A round shape formed by a series of concentric circles (as formed by leaves or flower petals)


(7)   Wind around something in coils or loops
(8)   Make without a potter's wheel
"This famous potter hand-builds all of her vessels"
(9)   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"

Etymology 1

< (French: ) < , pp. < ; ; see legend.


  1. Something wound in the form of a helix or spiral.
  2. Common name for any intra-uterine contraceptive device (Abbreviation: IUD)—the first IUDs were coil-shaped.
  3. (electrical) A coil of electrically conductive wire through which electricity can flow.


  1. 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.
  2. To wind into loops (roughly) around a common center.
    The sailor coiled the free end of the hawser on the pier.