A Quick and Simple Dictionary

circle

1. Noun.  (geometry) : 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.
2. 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.
3. Noun.  Any thin three-dimensional equivalent of the geometric figures.
4. Noun.  A curve that more or less forms part or all of a circle.
5. Noun.  Orbit.
6. Noun.  A specific group of persons.
7. Noun.  (cricket) 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.
8. Noun.  (context, Wicca) 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.
9. Verb.  (transitive) To travel around along a curved path.
10. Verb.  (transitive) To surround.
11. Verb.  (transitive) To place or mark a circle around.
12. Verb.  (intransitive) To travel in circles.