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1 coil
I [kɔɪl]1) (of rope, barbed wire) rotolo m.; (of electric wire) bobina f.; (of smoke) voluta f.; (of hair) crocchia f.; (of snake) spira f.2) (contraceptive) spirale f.II 1. [kɔɪl]verbo transitivo avvolgere, arrotolare [rope, wire]; raccogliere [ hair]2.verbo intransitivo [river, procession] serpeggiare3.to coil itself — avvolgersi, arrotolarsi
- coil up* * *[koil] 1. verb(to wind into loops: The snake coiled (itself) round the tree.) attorcigliarsi2. noun1) (a length of something wound into a loop or loops: a coil of rope; a coil of hair.) rotolo; crocchia2) (a wound length of wire for conducting electricity: the coil in an electric fire.) bobina* * *[kɔɪl]1. n2) Auto, Elec bobina3)the coil — (contraceptive) la spirale
2. vt3. vi* * *coil (1) /kɔɪl/n.2 rotolo4 (elettr.) bobina; rocchetto: (autom.) ignition coil, bobina d'accensione; induction coil, rocchetto d'induzione; induttore8 (naut.) duglia● coil spring, molla a spirale piatta; molla elicoidale □ (tecn.) coil winder, bobinatrice.coil (2) /kɔɪl/n.(arc.) confusione; tumulto.(to) coil /kɔɪl/A v. t.1 avvolgere ( una corda, ecc.) (a spirale); attorcigliare: The python coiled itself round its prey, il pitone si avvolse intorno alla preda2 (naut.) addugliare; abbisciareB v. i.1 avvolgersi (a spirale); attorcigliarsi2 muoversi in spire; serpeggiare● to coil up, avvolgere (o avvolgersi) a spirale; raggomitolarsi.* * *I [kɔɪl]1) (of rope, barbed wire) rotolo m.; (of electric wire) bobina f.; (of smoke) voluta f.; (of hair) crocchia f.; (of snake) spira f.2) (contraceptive) spirale f.II 1. [kɔɪl]verbo transitivo avvolgere, arrotolare [rope, wire]; raccogliere [ hair]2.verbo intransitivo [river, procession] serpeggiare3.to coil itself — avvolgersi, arrotolarsi
- coil up -
2 Spring
I 1. [sprɪŋ]1) (season) primavera f.2) tecn. (coil) molla f. (a spirale)to be like a coiled spring — fig. (ready to pounce) essere pronto a scattare; (tense) essere teso come una corda di violino
3) (leap) balzo m., salto m., scatto m.4) (elasticity) elasticità f.5) (water source) sorgente f., fonte f.2.2) [ mattress] a molle; [binder, balance] a mollaII 1. [sprɪŋ]1) (set off) fare scattare [trap, lock]2) (develop)to spring a leak — [ tank] cominciare a perdere (dopo l'apertura di una falla)
2.to spring sth. on sb. — comunicare di punto in bianco qcs. a qcn.
1) (jump) saltare, balzareto spring from, over sth. — saltare da, su qcs.
to spring open, shut — [ door] aprirsi, chiudersi di scatto
to spring into action — [ troops] passare all'azione
to spring to attention — [ guards] scattare sull'attenti
to spring to sb.'s aid — accorrere in aiuto di qcn.
to spring into o to life — [machine, motor] accendersi
3) (originate)to spring from — nascere o essere dettato da [jealousy, fear]
•* * *[spriŋ] 1. past tense - sprang; verb1) (to jump, leap or move swiftly (usually upwards): She sprang into the boat.) saltare, balzare2) (to arise or result from: His bravery springs from his love of adventure.) nascere, derivare3) (to (cause a trap to) close violently: The trap must have sprung when the hare stepped in it.) scattare2. noun1) (a coil of wire or other similar device which can be compressed or squeezed down but returns to its original shape when released: a watch-spring; the springs in a chair.) molla2) (the season of the year between winter and summer when plants begin to flower or grow leaves: Spring is my favourite season.) primavera3) (a leap or sudden movement: The lion made a sudden spring on its prey.) balzo, scatto4) (the ability to stretch and spring back again: There's not a lot of spring in this old trampoline.) elasticità5) (a small stream flowing out from the ground.) sorgente•- springy- springiness
- sprung
- springboard
- spring cleaning
- springtime
- spring up* * *(Surnames) Spring /sprɪŋ/* * *I 1. [sprɪŋ]1) (season) primavera f.2) tecn. (coil) molla f. (a spirale)to be like a coiled spring — fig. (ready to pounce) essere pronto a scattare; (tense) essere teso come una corda di violino
3) (leap) balzo m., salto m., scatto m.4) (elasticity) elasticità f.5) (water source) sorgente f., fonte f.2.2) [ mattress] a molle; [binder, balance] a mollaII 1. [sprɪŋ]1) (set off) fare scattare [trap, lock]2) (develop)to spring a leak — [ tank] cominciare a perdere (dopo l'apertura di una falla)
2.to spring sth. on sb. — comunicare di punto in bianco qcs. a qcn.
1) (jump) saltare, balzareto spring from, over sth. — saltare da, su qcs.
to spring open, shut — [ door] aprirsi, chiudersi di scatto
to spring into action — [ troops] passare all'azione
to spring to attention — [ guards] scattare sull'attenti
to spring to sb.'s aid — accorrere in aiuto di qcn.
to spring into o to life — [machine, motor] accendersi
3) (originate)to spring from — nascere o essere dettato da [jealousy, fear]
• -
3 spiral
I 1. ['spaɪərəl]1) (shape) spirale f. (anche mat. aer.)in a spiral — [object, spring] a spirale
2) (trend) spirale f.2.downward, upward spiral — discesa, salita a spirale
modificatore [motif, structure, spring] a spiraleII ['spaɪərəl]1) econ. [costs, interest rates] crescere, aumentare vertiginosamenteto spiral up(wards), down(wards) — salire, scendere a spirale
* * *1. adjective1) (coiled round like a spring, with each coil the same size as the one below: a spiral staircase.) a spirale2) (winding round and round, usually tapering to a point: a spiral shell.) a spirale2. noun1) (an increase or decrease, or rise or fall, becoming more and more rapid (eg in prices).) spirale2) (a spiral line or object: A spiral of smoke rose from the chimney.) spirale3. verb(to go or move in a spiral, especially to increase more and more rapidly: Prices have spiralled in the last six months.) (muoversi a spirale) aumentare- spirally* * *spiral /ˈspaɪərəl/A a.1 spirale; a spirale; a spire: a spiral spring, una molla a spirale; (astron.) spiral nebula, nebulosa a spirale2 spiroidale; spiroide3 (mecc.) elicoidale; a dentatura elicoidale: spiral chute, scivolo elicoidale; spiral gear, ingranaggio a dentatura elicoidaleB n.1 (geom.) spirale; spira; elica2 (fig.: econ., ecc.) spirale: inflationary spiral, spirale inflazionistica; the vicious spiral of war, la rovinosa spirale della guerra● spiral balance, bilancia a molla □ (edil.) a spiral staircase, una scala a chiocciola □ (zool.) spiral valve, valvola spirale.(to) spiral /ˈspaɪərəl/A v. i.B v. t.● (econ.: di prezzi, salari, ecc.) to spiral downward [upward], calare rapidamente [aumentare vertiginosamente].* * *I 1. ['spaɪərəl]1) (shape) spirale f. (anche mat. aer.)in a spiral — [object, spring] a spirale
2) (trend) spirale f.2.downward, upward spiral — discesa, salita a spirale
modificatore [motif, structure, spring] a spiraleII ['spaɪərəl]1) econ. [costs, interest rates] crescere, aumentare vertiginosamenteto spiral up(wards), down(wards) — salire, scendere a spirale
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4 wind
I [wɪnd]1) vento m.high, fair wind — vento forte, favorevole
to sail into the wind — mar. navigare controvento
to sail o run before the wind — mar. avere il vento in poppa (anche fig.)
2) (breath) fiato m., respiro m.to knock the wind out of sb. — mozzare il fiato a qcn.
to get one's second wind — fig. riprendere fiato
3) fig. aria f., sentore m.4) (flatulence) vento m., peto m.5) mus.••to get wind of — avere sentore di, fiutare
to get the wind up — colloq. prendersi una strizza ( about per)
to put the wind up sb. — colloq. fare prendere una strizza a qcn.
II [wɪnd]to see which way the wind blows — fiutare il vento, sentire che aria tira
1) (make breathless) [ punch] togliere, mozzare il fiato; [ climb] lasciare senza fiato2) venat. fiutareIII [waɪnd]1) (of road) curva f.2) (movement) (of handle) giro m.IV 1. [waɪnd]he wound his arms around her — la cinse con o la strinse fra le braccia
2) (set in motion) (anche wind up) caricare [clock, toy]2.to wind one's o its way — [ road] serpeggiare, snodarsi
verbo intransitivo (pass., p.pass. wound) [ road] serpeggiare, snodarsi; [ stairs] salire, inerpicarsi- wind in- wind on- wind up* * *I 1. [wind] noun1) ((an) outdoor current of air: The wind is strong today; There wasn't much wind yesterday; Cold winds blow across the desert.)2) (breath: Climbing these stairs takes all the wind out of me.)3) (air or gas in the stomach or intestines: His stomach pains were due to wind.)2. verb(to cause to be out of breath: The heavy blow winded him.)3. adjective((of a musical instrument) operated or played using air pressure, especially a person's breath.)- windy- windiness
- windfall
- windmill
- windpipe
- windsurf
- windsurfer
- windsurfing
- windscreen
- windsock
- windsurf
- windsurfer
- windsurfing
- windswept
- get the wind up
- get wind of
- get one's second wind
- in the wind
- like the wind II past tense, past participle - wound; verb1) (to wrap round in coils: He wound the rope around his waist and began to climb.)2) (to make into a ball or coil: to wind wool.)3) ((of a road etc) to twist and turn: The road winds up the mountain.)4) (to tighten the spring of (a clock, watch etc) by turning a knob, handle etc: I forgot to wind my watch.)•- winder- winding
- wind up
- be/get wound up* * *I [wɪnd]1) vento m.high, fair wind — vento forte, favorevole
to sail into the wind — mar. navigare controvento
to sail o run before the wind — mar. avere il vento in poppa (anche fig.)
2) (breath) fiato m., respiro m.to knock the wind out of sb. — mozzare il fiato a qcn.
to get one's second wind — fig. riprendere fiato
3) fig. aria f., sentore m.4) (flatulence) vento m., peto m.5) mus.••to get wind of — avere sentore di, fiutare
to get the wind up — colloq. prendersi una strizza ( about per)
to put the wind up sb. — colloq. fare prendere una strizza a qcn.
II [wɪnd]to see which way the wind blows — fiutare il vento, sentire che aria tira
1) (make breathless) [ punch] togliere, mozzare il fiato; [ climb] lasciare senza fiato2) venat. fiutareIII [waɪnd]1) (of road) curva f.2) (movement) (of handle) giro m.IV 1. [waɪnd]he wound his arms around her — la cinse con o la strinse fra le braccia
2) (set in motion) (anche wind up) caricare [clock, toy]2.to wind one's o its way — [ road] serpeggiare, snodarsi
verbo intransitivo (pass., p.pass. wound) [ road] serpeggiare, snodarsi; [ stairs] salire, inerpicarsi- wind in- wind on- wind up -
5 кольцо
n—FRA bague f d’entraînement de ressortDEU Ring m für Welle fENG spring ringITA anello m di trascinamento della mollaPLN pierścień m rozdzielający sprężynyRUS кольцо n валикасм. поз. 1839 на—FRA bague f de sûretéDEU Kupplungsbolzenring mENG securing collarITA anello m di sicurezzaPLN pierścień m zabezpieczającyсм. поз. 478 на—FRA rondelle f de garnitureDEU Deckel m für Kolben mITA rondella f di guarnizionePLN pierścień m dociskowy kołnierzaсм. поз. 667 накольцо дистанционное, внутреннее
—FRA bague f entretoise, milieu, interneDEU Abstandsring m, mittlerer, innererITA anello m distanziatore centrale, internoPLN pierścień m rozstawny, wewnętrznyRUS кольцо n дистанционное, внутреннеесм. поз. 176 на—FRA anneau m d'arrimageDEU Spannöse fENG securing ringITA anello m di ancoraggioPLN zaczep m mocującyсм. поз. 2760 на,
,
кольцо для привязывания лошадей
—FRA anneau m de longeDEU Bindering mENG tethering ringITA anello m per cavezzaсм. поз. 1872 накольцо задней упорной крышки, уплотняющее
—FRA feutre m d’étanchéitéDEU Filzdichtung fITA guarnizione f di tenutaPLN uszczelka f pokrywy tylnej ^RUS кольцо n задней упорной крышки, уплотняющеесм. поз. 172 накольцо плунжера, маслосъёмное
—FRA segment m du plongeurDEU Stößelring mENG piston ringITA segmento m dell'astaPLN pierścień m rozprężnyRUS кольцо n плунжера, маслосъёмноесм. поз. 438 на—FRA bague f filètéeDEU Verschraubung f für DichtungsringENG threaded ringITA anello m filettato per la guarnizionePLN pierścień m gwintowanyсм. поз. 2301 накольцо турникета, направляющее
—FRA chemin m de roulementDEU Laufring m für DrehschemelENG runwayITA pista f di rotolamentoPLN szyna f toczna ławy pokrętnejRUS кольцо n турникета, направляющеесм. поз. 1599 накольцо фильтра, уплотняющее
—FRA joint m du filtreDEU Dichtring mENG air filter jointITA guarnizione f del filtroPLN uszczelka f odpylaczaRUS кольцо n фильтра, уплотняющеесм. поз. 685 накольцо цилиндра, маслосъёмное
—FRA segment m racleurDEU Ölabstreifring mENG scraper ringITA segmento m raschiaolioPLN pierścień m zgarniający smarRUS кольцо n цилиндра, маслосъёмноесм. поз. 432 на—FRA attache f du rideauDEU Vorhanghalter mENG curtain retainerITA sostegno m della tendaPLN hak m do firankiRUS кольцо n шторкисм. поз. 1312 накольцо, внутреннее
—FRA chemin m de roulement intérieurDEU Innenring mITA anello m internoPLN bieżnia f wewnętrznaRUS кольцо n, внутреннеесм. поз. 160 накольцо, дистанционное
—FRA entretoise fDEU Zwischenring mENG distance pieceITA anello m distanziatorePLN pierścień m odstępowyRUS кольцо n, дистанционноесм. поз. 166 накольцо, дистанционное, наружное
—FRA bague f entretoise, milieu, externeDEU Abstandsring m, mittlerer, äußererITA anello m distanziatore centrale, esternoPLN pierścień m rozstawny, zenętrznyRUS кольцо n, дистанционное, наружноесм. поз. 177 накольцо, крепительное
—FRA agrafe f de bandageDEU Sprengring mENG retaining ringITA cerchietto m di arresto del cerchionePLN pierścień m zaciskowyRUS кольцо n, крепительноесм. поз. 116 накольцо, крепящее
—FRA tourillon m de l'écrou de vis de tendeurDEU Zapfen m an KupplungsmutterITA filettatura f della chiocciolaPLN sworzeń m sprzęguRUS кольцо n, крепящеесм. поз. 464 накольцо, направляющее
—FRA bague f de guidageDEU Führungsring mENG guiding ringITA anello m di guidaPLN pierścień m prowadnyRUS кольцо n, направляющеесм. поз. 1810 накольцо, наружное
—FRA chemin m de roulement extérieurDEU Außenring mITA anello m esternoPLN bieżnia f zewnętrznaRUS кольцо n, наружноесм. поз. 159 накольцо, ограничительное
—FRA demi-bague f de retenueDEU Halteringhälfte fITA mezzo-anello m di arrestoPLN pierścień m zabezpieczającyRUS кольцо n, ограничительноесм. поз. 413 накольцо, опорное, поворотное
—FRA glissoir mDEU Gleitring mENG slideITA guida fPLN pierścień m ślizgowyRUS кольцо n, опорное, поворотноесм. поз. 1809 накольцо, опорное, с фланцем
—FRA couronne f support de ventilateurDEU Flanschring m mit Lasche fITA flangia f di supporto dell'aspiratorePLN wieniec m wywietrznikaRUS кольцо n, опорное, с фланцемсм. поз. 2520 накольцо, переднее внутреннее
—FRA bague f avantDEU Bordscheibe fITA anello m anteriorePLN pierścień m przedniRUS кольцо n, переднее внутреннеесм. поз. 170 накольцо, поддерживающее
—FRA couronne f de maintien de la bobineDEU Spulenhaltering mITA corona f di fissaggio della bobinaPLN krążek m podtrzymujący cewkęRUS кольцо n, поддерживающеесм. поз. 735 накольцо, потайное
—FRA anneau m encastréDEU Zurröse fENG recessed ringITA anello m d'amarraggioPLN uchwyt m wgłębionyRUS кольцо n, потайноесм. поз. 2756 на,
,
кольцо, пружинное внутреннее
—FRA bague-ressort f intérieureDEU Federring m, innererITA anello m elastico internoPLN pierścień m sprężyny wewnętrznejRUS кольцо n, пружинное внутреннеесм. поз. 417 накольцо, пружинное наружное
—FRA bague-ressort f extérieureDEU Federring m, äußererITA anello m elastico esternoPLN pierścień m sprężyny zewnętrznejRUS кольцо n, пружинное наружноесм. поз. 415 накольцо, пружинное разрезное
—FRA bague-ressort f fendueDEU Federring m, geschlitzterITA anello m elastico tagliatoPLN sprężyna f pierścieniowaRUS кольцо n, пружинное разрезноесм. поз. 416 накольцо, соединительное
—FRA bride f de fixationDEU Befestigungsring m für LuftsaugerENG securing strapITA anello m di fissaggioPLN pierścień m umocowaniaRUS кольцо n, соединительноесм. поз. 2512 накольцо, стопорное
—FRA frein m d’écrouITA piastrina f di bloccaggioPLN pierścień m dociskowyRUS кольцо n, стопорноесм. поз. 131 на,FRA bague f d’arrêtDEU Anschlagring mENG brake screw stopITA anello m d'arrestoPLN pierścień m ograniczającyRUS кольцо n, стопорноесм. поз. 570 на,
,
кольцо, строповочное
—FRA anneau m de levageDEU Kranöse fENG lifting ringITA anello m di sollevamentoRUS кольцо n, строповочноесм. поз. 2754 на,
,
,
,
,
кольцо, сферическое
—FRA couronne f porteuseDEU Tragring mENG supporting ringITA guida f sferica dell'articolazionePLN pierścień m nośnyRUS кольцо n, сферическоесм. поз. 2297 накольцо, увязочное
—FRA piton m de bâchageDEU Bindering m für Wagenplane fENG sheet fasteningITA anello m di attacco del copertonePLN kółko n do oponRUS кольцо n, увязочноесм. поз. 1240 на,FRA anneau m d’arrimageDEU Bindering mENG securing ringITA anello m d'amarraggioRUS кольцо n, увязочноесм. поз. 1613 на,,
FRA anneau m de retenueDEU Zurröse fITA anello m di ritenutaRUS кольцо n, увязочноесм. поз. 2788 накольцо, уплотняющее
—FRA collerette f d’étanchéitéDEU Dichtungsring mENG dust-shield ringITA collarino m di tenutaPLN pierścień m tylnyRUS кольцо n, уплотняющеесм. поз. 171 на,FRA joint mDEU Dichtung fENG seal ringITA guarnizione fPLN pierścień m uszczelniającyRUS кольцо n, уплотняющеесм. поз. 436 на,
кольцо, уплотняющее резиновое
—FRA joint m du réservoirDEU Dichtungsring m (Gummi)ITA guarnizione f del serbatoioPLN uszczelka f gumowaRUS кольцо n, уплотняющее резиновоесм. поз. 789 накольцо, упорное
—FRA bague f de compressionDEU Druckhülse fENG compression ringITA anello m di compressionePLN wstawka f oporowaRUS кольцо n, упорноесм. поз. 419 накольцо, упорное внутреннее
—FRA déflecteur mDEU Ablenkring mITA deflettore mPLN pierścień m oporowy wewnętrznyRUS кольцо n, упорное внутреннеесм. поз. 180 на,
кольцо, упорное, заднее
—FRA bague f entretoise, arrièreDEU Abstandsring m, hintererITA anello m distanziatore posteriorePLN pierścień m oporowy tylnyRUS кольцо n, упорное, заднеесм. поз. 178 накольцо, установочное
—FRA bague f d’articulationDEU Feststellring mENG hinge collarITA anello m di articolazionePLN tulejka f ustalającaRUS кольцо n, установочноесм. поз. 1836 на -
6 кожух
mFRA boîtier mDEU Gehäuse nENG coverITA scatola fPLN kadłub mRUS кожух mсм. поз. 737 на,,
FRA caisson mDEU Gehäuse nENG frameITA scatola fPLN skrzynka fRUS кожух mсм. поз. 1109 на—FRA fourreau m isolantDEU Isolierrohr nITA tubo m esternoPLN tuleja f osłonnaRUS кожух m вертикального валасм. поз. 2527 на—FRA chapeau mDEU Saughaube f für LuftsaugerENG cowlingITA cupoletta fPLN daszek m wywietrznikaRUS кожух m дефлекторасм. поз. 2497 на,
—FRA carter m de l'onduleur&&ENG inverter caseITA scatola f del convertitoreRUS кожух m инверторасм. поз. 2119 на—FRA carcasse f de la bobineDEU Spulenkörper mENG coil casingITA carcassa f della bobinaPLN otulina f cewkiRUS кожух m катушкисм. поз. 789 на—FRA gaine f de l’axeDEU Rohr n für Drahtwelle fENG pin sleeveITA guaina f dell'assePLN rurka f giętkaRUS кожух m оси заслонкисм. поз. 2517 на—FRA paroi f arrièreDEU Rückwand fENG rear casingITA parete f posteriorePLN ścianka f tylnaRUS кожух m привода регуляторасм. поз. 2262 на—FRA tube m protecteurDEU Hülse fENG sleeveITA fodero mPLN osłona f wrzecionaRUS кожух m тормозного винтасм. поз. 606 накожух уравновешивающего механизма
—FRA masque mDEU Verkleidung f für AusgleichENG hoodITA maschera fPLN osłona f wyrównywaczaRUS кожух m уравновешивающего механизмасм. поз. 1331 на—FRA masque m de radiateurDEU Verkleidung f für HeizkörperENG shieldITA involucro m del radiatorePLN obudowa f grzejnikaRUS кожух m электрической печисм. поз. 2341 накожух, предохранительный
—FRA boîtier m de protectionDEU Tasche f für Gangleuchte fENG terminal boxITA scatola f di protezionePLN puszka f ochronnaRUS кожух m, предохранительныйсм. поз. 2159 накожух, промежуточный
—FRA carter m intermédiaireDEU Zwischenflansch mITA flangia f intermediaPLN mufa f pośredniaRUS кожух m, промежуточныйсм. поз. 2049 накожух, эластичный
—FRA protecteur m de suspension primaireDEU Schutzmanschette fITA protezione f della sospensione primariaPLN osłona f amortyzatoraRUS кожух m, эластичныйсм. поз. 292 на
См. также в других словарях:
coil spring — Spring Spring, n. [AS. spring a fountain, a leap. See {Spring}, v. i.] 1. A leap; a bound; a jump. [1913 Webster] The prisoner, with a spring, from prison broke. Dryden. [1913 Webster] 2. A flying back; the resilience of a body recovering its… … The Collaborative International Dictionary of English
coil spring — coil′ spring n. mac any spring of wire coiled helically, having a cylindrical or conical outline • Etymology: 1875–80 … From formal English to slang
Coil spring — A compression coil spring … Wikipedia
coil spring — noun a spring in the shape of a coil • Syn: ↑volute spring • Hypernyms: ↑spring * * * noun Etymology: coil (III) : a flat spiral, volute, or helical spring … Useful english dictionary
coil spring — sraigtinė spyruoklė statusas T sritis fizika atitikmenys: angl. coil spring; coiled spring vok. Spiralfeder, f; Wendelfeder, f rus. винтовая пружина, f pranc. ressort à boudin, m; ressort hélicoïdal, m … Fizikos terminų žodynas
coil spring — [1] A section of spring steel rod wound in a spiral pattern or shape. Widely used in both front and rear suspension systems. Like large metal bed springs, these coils cushion and absorb the shocks and bumps as the vehicle is driven. They are… … Dictionary of automotive terms
coil spring — any spring of wire coiled helically, having a cylindrical or conical outline. See illus. under spring. [1875 80] * * * … Universalium
coil spring — /ˈkɔɪl sprɪŋ/ (say koyl spring) noun a spring coiled helically …
coil spring clutch — A clutch which has a ring of coil springs which hold the pressure plate in position … Dictionary of automotive terms
coil spring compressor — See spring compressor … Dictionary of automotive terms
coil spring — a spiral winding of fine resilient wire; attached to orthodontic appliances to open or to close spaces between teeth … Medical dictionary