circle

Forms

1.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).
2.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)
3.Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures.
- Cut a circle out of that sheet of metal.
- Children, please join hands and form a circle.
- The crank moves in a circle.
4.A specific group of persons; especially one who shares a common interest.
- As his name gradually became known, the circle of his acquaintance widened.

1.To travel around along a curved path.
- The wolves circled the herd of deer.
- Other planets circle other suns.
2.To surround.
- So he lies, circled with evil.
- A high fence circles the enclosure.
- Their heads are circled with a short turban.
3.To place or mark a circle around.
- Circle the jobs that you are interested in applying for.
4.To travel in circles.

Common· #1803

Etymology tree

Proto-Indo-European *(s)ker-der.

Ancient Greek κίρκος (kírkos)bor.

Latin circus

Proto-Indo-European *-lós

Proto-Indo-European *-elós

Proto-Italic *-elos

Latin -ulus

Latin circulus

Old French cerclebor.

Middle English circle

English circle