# circle

(redirected from*Circle (geometry)*)

Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia.

## cir·cle

(sûr′kəl)*n.*

**1.**

**a.**A plane curve everywhere equidistant from a given fixed point, the center.

**b.**A planar region bounded by a circle.

**c.**Something, such as a ring, shaped like such a plane curve.

**2.**A circular or nearly circular course, circuit, or orbit: a satellite's circle around the earth.

**3.**A traffic circle.

**4.**A series or process that finishes at its starting point or continuously repeats itself; a cycle.

**5.**A group of people sharing an interest, activity, or achievement: well-known in artistic circles.

**6.**A territorial or administrative division, especially of a province, in some European countries.

**7.**A sphere of influence or interest; domain.

**8.**

*Logic*A vicious circle.

*v.*

**cir·cled**,

**cir·cling**,

**cir·cles**

*v.*

*tr.*

**1.**To make or form a circle around: The hedge circles the fountain.

**2.**To move in a circle around: The ship circled the island.

*Idiom:*

*circle the wagons* To take a defensive position; become defensive.

[Middle English cercle, from Old French, from Latin circulus, diminutive of circus,

*circle*, from Greek kirkos, krikos; see sker- in Indo-European roots.]**cir′cler**(-klər)

*n.*

## circle

(ˈsɜːkəl)*n*

**1.**(Mathematics)

*maths*a closed plane curve every point of which is equidistant from a given fixed point, the centre. Equation: (

*x –h*)

^{2}+ (

*y –k*)

^{2}

*= r*

^{2}where

*r*is the radius and (

*h, k*) are the coordinates of the centre; area πr

^{2}; circumference: 2π

*r*

**2.**(Mathematics) the figure enclosed by such a curve

**3.**(Theatre)

*theatre*the section of seats above the main level of the auditorium, usually comprising the dress circle and the upper circle

**4.**something formed or arranged in the shape of a circle

**5.**a group of people sharing an interest, activity, upbringing, etc; set: golf circles; a family circle.

**6.**a domain or area of activity, interest, or influence

**7.**a circuit

**8.**a process or chain of events or parts that forms a connected whole; cycle

**10.**the ring of a circus

**11.**(Archaeology) one of a number of Neolithic or Bronze Age rings of standing stones, such as Stonehenge, found in Europe and thought to be associated with some form of ritual or astronomical measurement

**15.**

**go round in circles**

**run round in circles**to engage in energetic but fruitless activity

*vb*

**16.**to move in a circle (around): we circled the city by car.

**17.**(

*tr*) to enclose in a circle; encircle

[C14: from Latin

*circulus*a circular figure, from*circus*ring, circle]**ˈcircler**

*n*

## cir•cle

(ˈsɜr kəl)*n.,*

*v.*

**-cled, -cling.**

*n.*

**1.**a closed plane curve consisting of all points at a given distance from a point within it called the center.

**2.**the portion of a plane bounded by such a curve.

**3.**any circular or ringlike object, formation, or arrangement: a circle of dancers.

**4.**a ring, circlet, or crown.

**5.**the ring of a circus.

**7.**the area within which something acts, exerts influence, etc.; realm; sphere: a wide circle of influence.

**8.**a series ending where it began or forming a connected whole; cycle.

**9.**an argument ostensibly proving a conclusion but actually assuming the conclusion as a premise; vicious circle.

**10.**a number of persons bound by a common tie; coterie: a circle of friends.

**11.**an administrative division, esp. of a province.

**12.**a parallel of latitude.

**13.**a sphere or orb: the circle of the earth.

*v.t.*

**14.**to enclose in a circle; encircle: Circle the correct answer.

**15.**to rotate or revolve around: He circled the house cautiously.

**16.**to bypass; evade: The ship carefully circled the iceberg.

*v.i.*

**17.**to move in a circle or circuit.

*Idioms:***come full circle,**to find oneself back where one started.

**cir′cler,**

*n.*

## cir·cle

(sûr′kəl) A closed curve whose points are all on the same plane and at the same distance from a fixed point (the center).

## Circle

*Examples:*circle of action, 1752; of admirers, 1793; of acquaintances, 1752; of doctrine, 1531; of fallacy, 1646; of foliages, 1713; of glory, 1595; literary circle; circle of onlookers, 1875; of pleasures, 1759; of passion, 1768; of possibilities, 1644; of probability, 1851; of sciences, 1854; of stars, 1611.

## circle

**Past participle:**circled

**Gerund:**circling

Imperative |
---|

circle |

circle |

## circle

A balcony or tier in the auditorium. The dress circle, usually the most expensive seats where spectators used to dress formally, is the first tier.

ThesaurusAntonymsRelated WordsSynonyms

**Legend:**Switch to new thesaurus

Noun | 1. | circle - ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point; "he calculated the circumference of the circle"circle of curvature, osculating circle - the circle that touches a curve (on the concave side) and whose radius is the radius of curvature circlet - a small circle equator - a circle dividing a sphere or other surface into two usually equal and symmetrical parts arc - a continuous portion of a circle ellipse, oval - a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it; "the sums of the distances from the foci to any point on an ellipse is constant" epicycle - a circle that rolls around (inside or outside) another circle; generates an epicycloid or hypocycloid |

2. | circle - an unofficial association of people or groups; "the smart set goes there"; "they were an angry lot"social group - people sharing some social relation car pool - a small group of car drivers who arrange to take turns driving while the others are passengers clique, coterie, ingroup, inner circle, camp, pack - an exclusive circle of people with a common purpose cohort - a band of warriors (originally a unit of a Roman Legion) confederacy, conspiracy - a group of conspirators banded together to achieve some harmful or illegal purpose Four Hundred - the exclusive social set of a city horsey set, horsy set - a set of people sharing a devotion to horses and horseback riding and horse racing jet set - a set of rich and fashionable people who travel widely for pleasure | |

3. | circle - something approximating the shape of a circle; "the chairs were arranged in a circle" | |

4. | circle - movement once around a course; "he drove an extra lap just for insurance"locomotion, travel - self-propelled movement pace lap - the first lap of a car race that prepares the cars for a fast start lap of honour, victory lap - a lap by the winning person or team run to celebrate the victory | |

5. | circle - a road junction at which traffic streams circularly around a central island; "the accident blocked all traffic at the rotary"junction - the place where two or more things come together | |

6. | circle - street names for flunitrazepanflunitrazepan, Rohypnol - a depressant and tranquilizer (trade name Rohypnol) often used in the commission of sexual assault; legally available in Europe and Mexico and Colombia | |

7. | circle - a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra; "they had excellent seats in the dress circle"seating, seating area, seating room, seats - an area that includes places where several people can sit; "there is seating for 40 students in this classroom" | |

8. | circle - any circular or rotating mechanism; "the machine punched out metal circles"rotating mechanism - a mechanism that rotates | |

Verb | 1. | circle - travel around something; "circle the globe"go, locomote, move, travel - change location; move, travel, or proceed, also metaphorically; "How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"; "news travelled fast" circumambulate, walk around - walk around something circumnavigate, compass - travel around, either by plane or ship; "We compassed the earth" circle around, circle round, revolve around - move around in a circular motion; "The Earth revolves around the Sun" |

2. | circle - move in circlesgo, locomote, move, travel - change location; move, travel, or proceed, also metaphorically; "How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"; "news travelled fast" orb, orbit, revolve - move in an orbit; "The moon orbits around the Earth"; "The planets are orbiting the sun"; "electrons orbit the nucleus" troll - circulate, move around loop - fly loops, perform a loop; "the stunt pilot looped his plane" loop - move in loops; "The bicycle looped around the tree" | |

3. | circle - form a circle around; "encircle the errors" |

## circle

*noun*

**1.**ring, round, band, disc, loop, hoop, cordon, perimeter, halo The flag was red with a large white circle. The monument consists of a circle of gigantic stones.

## circle

*noun*

**1.**A closed plane curve everywhere equidistant from a fixed point or something shaped like this:

*Archaic:*orb.

**2.**A course, process, or journey that ends where it began or repeats itself:

*verb*

Translations

**орбита**

**kruh**

**kružnice**

**obklopovat**

**skupina**

**zakroužkovat**

**cirkel**

**kreds**

**kredse**

**lave en cirkel**

**balkon**

**cirklo**

**rondo**

**ring**

**ympyrä**

**kaari**

**kiertää**

**piiri**

**ympäröidä**

**krug**

**kružnica**

**bekarikáz**

**erkély**

**gömb**

**kör**

**körbejár**

**lingkaran**

**hringur**

**klíka, hópur**

**mynda hring**

**svalir**

**teikna/gera hring**

**円**

**원**

**circulus**

**corona**

**orbis**

**apibrėžti**

**apskritimas**

**būrelis**

**skritulys**

**aplis**

**aprindas**

**aptvert**

**apvilkt apli**

**balkons**

**cerc**

**kružnica**

**kruh**

**krog**

**krožiti**

**obkrožiti**

**cirkel**

**krets**

**ring**

**วงกลม**

**hình tròn**

## circle

[ˈsɜːkl]**A.**

*N*

**1.**(

*gen*) → círculo

*m*

to stand in a circle → formar un corro

**to come full circle**→ volver al punto de partida

**to go round in circles**→ dar vueltas sobre lo mismo, no avanzar

**it had us running round in circles**→ nos tuvo dando vueltas sin orden ni concierto

*see also*

**vicious**

**2.**(=

*set of people*) → círculo

*m*, grupo

*m*

John and his circle → Juan y sus amigos, Juan y su peña

in certain circles → en ciertos medios

in business circles → en el mundo de los negocios

the family circle → el círculo familiar

to move in fashionable circles → frecuentar los ambientes que están de moda

an inner circle of ministers → un grupo de ministros que ostentan mayor poder

she moves in wealthy circles → frecuenta la buena sociedad

**B.**

*VT*

**1.**(=

*surround*) → cercar, rodear; (=

*move round*) → girar alrededor de, dar vueltas alrededor de

the lion circled its prey → el león se movió alrededor de la presa

the cosmonaut circled the earth → el cosmonauta dio la vuelta a la tierra

the aircraft circled the town twice → el avión dio dos vueltas sobre la ciudad

## circle

[ˈsɜː^{r}k

^{ə}l]

*n*

(=

*shape*) → cercle*m* (=

to go round in circles, to go around in circles

to come full circle, to turn full circle → revenir à son point de départ

*ring*) → cercle*m*to go round in circles, to go around in circles

*(not achieve anything)*→ tourner en rondto come full circle, to turn full circle → revenir à son point de départ

*(in cinema, theatre)*→ balcon

*m*

*vt*

(=

*fly round*) [*bird, plane*]*(once)*→ faire un cercle au-dessus de, décrire un cercle au-dessus de;*(more than once)*→ faire des cercles au-dessus de, décrire des cercles au-dessus de## circle

*n*

→ Kreis

*m*; to stand in a**circle**→ im Kreis stehen; to go round in ever decreasing**circle**s*(lit)*→ Spiralen drehen;*(fig)*→ sich unablässig im Kreis drehen; to have come*or*turned full**circle***(lit)*→ sich ganz herumgedreht haben, eine Volldrehung gemacht haben;*(fig)*→ wieder da sein, wo man angefangen hat; we’re just going round in**circle**s*(fig)*→ wir bewegen uns nur im Kreise; to come full**circle***(fig)*→ zum Ausgangspunkt zurückkehren; things have come full**circle**→ der Kreis hat sich geschlossen; when the seasons have come full**circle**→ wenn sich der Kreis der Jahreszeiten schließt*(of hills etc)*→ Ring

*m*, → Kette

*f*; (round the eyes) → Ring

*m*(→

*round*unter

*+dat*); (in gymnastics) → Welle

*f*; a Celtic stone

**circle**→ ein keltischer Steinkreis

(= group of persons) → Kreis

*m*, → Zirkel*m (geh)*; a close**circle**of friends → ein enger Freundeskreis; in political**circle**s → in politischen Kreisen; the family**circle**→ der engste Familienkreis; the whole family**circle**→ die ganze Familie; he’s moving in different**circle**s now → er verkehrt jetzt in anderen Kreisen*vt*

(= surround) → umgeben

## circle

[ˈsɜːkl]**1.**

*n*(

*gen*) → cerchio; (

*of friends*) → circolo; (

*in theatre, cinema*) → galleria

great/small circle (

*Geom*) → cerchio massimo/minore

to stand in a circle → mettersi in cerchio

she moves in wealthy circles → frequenta l'alta società

the family circle → la cerchia familiare

to come full circle (

*fig*) → ritornare al punto di partenza

to go round in circles (

*fam*) → girare sempre attorno allo stesso punto

**2.**

*vt*(

*surround*) → accerchiare, circondare; (

*move round*) → girare attorno

*or*intorno a; (

*draw round*) → segnare con un cerchio, cerchiare

## circle

(ˈsəːkl)*noun*

**1.**a figure (O) bounded by one line, every point on which is equally distant from the centre.

**2.**something in the form of a circle. She was surrounded by a circle of admirers.

**3.**a group of people. a circle of close friends; wealthy circles.

**4.**a balcony in a theatre

*etc*. We sat in the circle at the opera.

*verb*

**1.**to move in a circle round something. The chickens circled round the farmer who was bringing their food.

**2.**to draw a circle round. Please circle the word you think is wrong.

## circle

→ دَائِرَة kruh cirkel Kreis κύκλος círculo ympyrä cercle krug cerchio 円 원 cirkel sirkel koło círculo круг cirkel วงกลม daire hình tròn 圆形## cir·cle

*n.*círculo, circunferencia.

## circle

*n*círculo;

**dark circles under one’s eyes**ojeras;

**vicious —**círculo vicioso

Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.

Link to this page: