circle

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

• The set of all points (x, y) such that (x − 1)² + y² = r² is a circle of radius r around the point (1, 0).

A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).; 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 (radius) from a given point.colloquial

• Near-synonyms: coil, ring, loop

A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).; The orbit of an astronomical body.

A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).; A circle of latitude.

• the 49th circle
• Antarctic Circle, Arctic Circle

A state of moving as to follow a circle; a route that forms a circle.

• The troops spent ten minutes marching in circle.
• The children ran circles around the tree.

Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures.

• Children, please join hands and form a circle.

Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures.; Any thin three-dimensional equivalent of the geometric figures.

• Cut a circle out of that sheet of metal.

Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures.; A curve that more or less forms part or all of a circle.

• The crank moves in a circle.

Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures.; 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.

Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures.; A magic circle.

To travel around along a curved path; to orbit.transitive

• The wolves circled the herd of deer.

To travel around along a curved path; to orbit.; To surround; to encompass within a circle.transitive

• A high fence circles the enclosure.
• The lightbulb circled the patio in light.

To place in a circle; to make a circle.transitive

• We circled stones around him.

To place in a circle; to make a circle.; To place or mark a circle around.transitive

• Circle the jobs that you are interested in applying for.

To place in a circle; to make a circle.; To smoke cannabis in a circle, passing the cannabis around from person to person.transitive

• We circled a joint that afternoon.

To place in a circle; to make a circle.; To take part in a magic circle.intransitivetransitive

• I circled with that group for three years.

To place in a circle; to make a circle.; To add someone to a circle on the social media site Google+.obsoletetransitive

To travel in circles.intransitive

• Vultures circled overhead.

To travel in circles.; To move in a circle around a target in preparation for an attack.intransitivetransitive

• The shark circled the diver for several minutes.

To travel in circles.; To circulate.intransitive

• The rumor circled through the crowd.