Meaning of COIL in English

I. coil 1 /kɔɪl/ BrE AmE ( also coil up ) verb [intransitive and transitive]

[ Date: 1500-1600 ; Language: Old French ; Origin: coillir , %cuillir% 'to gather' ]

to wind or twist into a series of rings, or to make something do this:

The snake coiled around the branches of the tree.

Her long hair was coiled up in a plait at the top of her head.

He coiled the rope.

—coiled adjective [only before noun]

II. coil 2 BrE AmE noun [countable]

1 . a continuous series of circular rings into which something such as wire or rope has been wound or twisted

coil of

a coil of rope

2 . one ring of wire, rope etc in a continuous series

3 . a wire or a metal tube in a continuous circular shape that produces light or heat when electricity is passed through it:

the coil in a light bulb

4 . the part of a car engine that sends electricity to the ↑ spark plug s

5 . a ↑ contraceptive that is a flat curved piece of metal or plastic that is fitted inside a woman’s ↑ uterus SYN IUD

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.