| circle | |
| 1. n. (geometry) 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. n. 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. | |
| 3. n. Any thin three-dimensional equivalent of the geometric figures. | |
| Put on your dunce-cap and sit down on that circle. | |
| 4. n. A curve that more or less forms part or all of a circle. | |
| move in a circle | |
| 5. n. Orbit. | |
| 6. n. A specific group of persons; especially one who shares a common interest. | |
| inner circle | |
| circle of friends | |
| literary circle | |
| 7. n. (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. n. (Wicca) A ritual circle that is cast three times deosil and closes three times widdershins either in the air with a wand or literally with stones or other items used for worship. | |
| 9. n. (South Africa) A traffic circle or roundabout. | |
| 10. n. (obsolete) Compass; circuit; enclosure. | |
| 11. n. (astronomy) An instrument of observation, whose graduated limb consists of an entire circle. When fixed to a wall in an observatory, it is called a mural circle; when mounted with a telescope on an ax | |
| 12. n. A series ending where it begins, and repeating itself. | |
| 13. n. (logic) A form of argument in which two or more unproved statements are used to prove each other; inconclusive reasoning. | |
| 14. n. Indirect form of words; circumlocution. | |
| 15. n. A territorial division or district. | |
| The ten Circles of the Holy Roman Empire were those principalities or provinces which had seats in the German Diet. | |
| 16. n. (in the plural) A bagginess of the skin below the eyes from lack of sleep. | |
| After working all night, she had circles under her eyes. | |
| 17. v. To travel around along a curved path. | |
| 18. v. To surround. | |
| 19. v. To place or mark a circle around. | |
| Circle the jobs that you are interested in applying for. | |
| 20. v. (intransitive) To travel in circles. | |
| Vultures circled overhead. | |
