A structure consisting of something wound in a continuous series of loops:
— A coil of rope.

synonyms: helix, spiral, volute, whorl.

Roget 704: difficulty; hardness etc. adj.; impracticability etc. (impossibility) 471; tough work, hard work, uphill work; hard task, Herculean task, Augean task^†; task of Sisyphus, Sisyphean labor, tough job, teaser, rasper^†, dead lift.    dilemma, embarrassment; deadlock; perplexity etc. (uncertainty) 475; intricacy; entanglement, complexity etc. 59; cross fire; awkwardness, delicacy, ticklish card to play, knot, Gordian knot, dignus vindice nodus [Lat.], net, meshes, maze; coil etc. (convolution) 248; crooked path; involvement.    nice point, delicate point, subtle point, knotty point; vexed question, vexata quaestio [Lat.], poser; puzzle etc. (riddle) 533; paradox; hard nut to crack, nut to crack; bone to pick, crux, pons asinorum [Lat.], where the shoe pinches.    nonplus, quandary, strait, pass, pinch, pretty pass, stress, brunt; critical situation, crisis; trial, rub, emergency, exigency, scramble.    scrape, hobble, slough, quagmire, hot water, hornet's nest; sea of troubles, peck of troubles; pretty kettle of fish; pickle, stew, imbroglio, mess, ado; false position.    set fast, stand, standstill; deadlock, dead set.    fix, horns of a dilemma, cul de sac [Fr.]; hitch; stumbling block etc. (hindrance) 706.    [difficult person] crab; curmudgeon.    ... show more

Roget 59a: complexity; complexness etc. adj.; complexus^†; complication, implication; intricacy, intrication^†; perplexity; network, labyrinth; wilderness, jungle; involution, raveling, entanglement; coil etc. (convolution) 248; sleave^†, tangled skein, knot, Gordian knot, wheels within wheels; kink, gnarl, knarl^†; webwork^†.    [complexity if a task or action] difficulty etc. 704.    ... show more

Roget 248: winding etc. v.; convolution, involution, circumvolution; wave, undulation, tortuosity, anfractuosity^†; sinuosity, sinuation^†; meandering, circuit, circumbendibus^†, twist, twirl, windings and turnings, ambages^†; torsion; inosculation^†; reticulation etc. (crossing) 219; rivulation^†; roughness etc. 256.    coil, roll, curl; buckle, spiral, helix, corkscrew, worm, volute, rundle; tendril; scollop^†, scallop, escalop^†; kink; ammonite, snakestone^†.    serpent, eel, maze, labyrinth.    knot.    ... show more

Roget 311: circuition^†, circulation; turn, curvet; excursion, circumvention, circumnavigation, circumambulation; northwest passage; circuit etc. 629.    turning etc. v.; wrench; evolution; coil, corkscrew.    ... show more

Dutch: propeller, schroef, helix, krul, schroeflijn, spiraal, spiraallijn

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

synonyms: curl, curlicue, gyre, ringlet, roll, scroll, whorl.

Dutch: wervelwind, rol
Polish: rola, zwój

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

A contraceptive device placed inside a woman's womb.

Dutch: spoel, spiraal, spiraaltje
Polish: spirala

Tubing that is wound in a spiral.

Dutch: spiraal
Polish: wężownica

Reactor consisting of a spiral of insulated wire that introduces inductance into a circuit.

Polish: faza, uzwojenie

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.

synonyms: gyrate, spiral.

Make without a potter's wheel.

synonyms: hand-build, handbuild.

Wind around something in coils or loops.

synonyms: curl, loop.

Roget 248: be convoluted etc. adj.; wind, twine, turn and twist, twirl; wave, undulate, meander; inosculate^†; entwine, intwine^†; twist, coil, roll; wrinkle, curl, crisp, twill; frizzle; crimp, crape, indent, scollop^†, scallop, wring, intort^†; contort; wreathe etc. (cross) 219.    ... show more