circle

1. circle (noun) — sense 1

Definition: 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).

Example: 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. circle (noun) — sense 2

Definition: 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.

Example: Near-synonyms: coil, ring, loop

3. circle (noun) — sense 3

Definition: 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.

4. circle (verb) — sense 4

Definition: To travel around along a curved path; to orbit.

Example: The wolves circled the herd of deer.

5. circle (verb) — sense 5

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

Example: A high fence circles the enclosure.

6. circle (verb) — sense 6

Definition: To place in a circle; to make a circle.

Example: We circled stones around him.