circle (noun)

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"

set, circle, band, lot (noun)

an unofficial association of people or groups

"the smart set goes there"; "they were an angry lot"

circle (noun)

something approximating the shape of a circle

"the chairs were arranged in a circle"

lap, circle, circuit (noun)

movement once around a course

"he drove an extra lap just for insurance"

traffic circle, circle, rotary, roundabout (noun)

a road junction at which traffic streams circularly around a central island

"the accident blocked all traffic at the rotary"

R-2, Mexican valium, rophy, rope, roofy, roach, forget me drug, circle (noun)

street names for flunitrazepan

circle, dress circle (noun)

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"

circle, round (verb)

any circular or rotating mechanism

"the machine punched out metal circles"

circle (verb)

travel around something

"circle the globe"

circle, circulate (verb)

move in circles

encircle, circle (verb)

form a circle around

"encircle the errors"

circle (Noun)

A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from another point.

circle (Noun)

A two-dimensional geometric figure, a disk, consisting of the set of all those points of a plane at a distance less than or equal to a fixed distance from another point.

circle (Noun)

Any thin three-dimensional equivalent of the geometric figures.

circle (Noun)

A curve that more or less forms part or all of a circle.

circle (Noun)

Orbit.

circle (Noun)

A specific group of persons.

circle (Noun)

A line comprising two semicircles of 30 yards radius centred on the wickets joined by straight lines parallel to the pitch used to enforce field restrictions in a one-day match.

circle (Noun)

A ritual circle that is casted three times deosil and closes three times widdershins either in the air with a wand or literally with stones or other itmes used for worship

circle (Verb)

To travel around along a curved path.

circle (Verb)

To surround.

circle (Verb)

To place or mark a circle around.

circle (Verb)

To travel in circles.

Circle

A circle is a simple shape of Euclidean geometry that is the set of all points in a plane that are a given distance from a given point, the centre. The distance between any of the points and the centre is called the radius. It can also be defined as the locus of a point equidistant from a fixed point. A circle is a simple closed curve which divides the plane into two regions: an interior and an exterior. In everyday use, the term "circle" may be used interchangeably to refer to either the boundary of the figure, or to the whole figure including its interior; in strict technical usage, the circle is the former and the latter is called a disk. A circle can be defined as the curve traced out by a point that moves so that its distance from a given point is constant. A circle may also be defined as a special ellipse in which the two foci are coincident and the eccentricity is 0. Circles are conic sections attained when a right circular cone is intersected by a plane perpendicular to the axis of the cone.