noun (1)
\ˈkȯi(-ə)l \

Definition of coil 

(Entry 1 of 3)

1 : turmoil

2 : trouble also : everyday cares and worries when we have shuffled off this mortal coil — William Shakespeare


coiled; coiling; coils

Definition of coil (Entry 2 of 3)

transitive verb

1 : to wind into rings or spirals coil a rope

2 : to roll or twist into a shape resembling a coil coiled herself up on the couch

intransitive verb

1 : to move in a circular or spiral course

2 : to form or lie in a coil


noun (2)
plural coils

Definition of coil (Entry 3 of 3)

1a(1) : a series of loops

(2) : spiral

b : a single loop of such a coil

2a : a number of turns of wire wound around a core (as of iron) to create a magnetic field for an electromagnet or an induction coil

b : induction coil

3 : a series of connected pipes in rows, layers, or windings

4 : a roll of postage stamps also : a stamp from such a roll

5 medical : intrauterine device That means no condoms, no pills, no coils or sterilization …— Christine M. Flowers The IUD or 'coil' is a small plastic (or plastic and copper) device, not much longer than a match, which is placed inside your womb, where it prevents you from getting pregnant. It's often called a 'coil' because most of the original IUDs were coil-shaped.— David Delvin

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Other Words from coil


coilability \ ˌkȯi-​lə-​ˈbi-​lə-​tē \ noun

Synonyms for coil

Synonyms: Verb

corkscrew, curl, entwine, spiral, twine, twist, wind

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Examples of coil in a Sentence


She coiled the loose thread around her finger. A long scarf was coiled around her neck. The cat coiled up into a ball. The snake coiled around its prey.
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First Known Use of coil

Noun (1)

1567, in the meaning defined at sense 1


1611, in the meaning defined at transitive sense 1

Noun (2)

1661, in the meaning defined at sense 1a(1)

History and Etymology for coil

Noun (1)

origin unknown


French coillir, cuillir to gather — more at cull

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Time Traveler for coil

The first known use of coil was in 1567

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More Definitions for coil



English Language Learners Definition of coil

: to wind (something) into circles


\ˈkȯil \

Kids Definition of coil

 (Entry 1 of 2)

1 : a circle, a series of circles, or a spiral made by coiling

2 : a long thin piece of material that is wound into circles


coiled; coiling

Kids Definition of coil (Entry 2 of 2)

1 : to wind into rings or a spiral coil a rope

2 : to form or lie in a coil The cat coiled up before the fireplace.


\ˈkȯi(ə)l \

Medical Definition of coil 

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More from Merriam-Webster on coil

Thesaurus: All synonyms and antonyms for coil

Spanish Central: Translation of coil

Nglish: Translation of coil for Spanish Speakers

Britannica English: Translation of coil for Arabic Speakers Encyclopedia article about coil

Comments on coil

What made you want to look up coil? Please tell us where you read or heard it (including the quote, if possible).


something that serves to warn or remind

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