Word: circle Part of Speech: noun Etymology: 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 From Middle English circle, cercle, from Old French cercle and Latin circulus, diminutive of Latin circus (“circle, circus”), from Ancient Greek κίρκος (kírkos, “circle, ring”), related to Old English hring (“ring”). Compare also Old English ċircul (“circle, zodiac”), which came from the same Latin source. By surface analysis, Latin circ(us) + -(u)le. Pronunciation: /ˈsɜɹkəl/, /ˈsɜːkəl/, /ˈsɪɹkəl/ 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). 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. 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. Labels: colloquial Example: Near-synonyms: coil, ring, loop 3. Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures. Example: Children, please join hands and form a circle. 4. Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures. Example: Cut a circle out of that sheet of metal. 5. Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures. Example: The crank moves in a circle. 6. A specific group of persons; especially one who shares a common interest. Example: inner circle Example: circle of friends 7. A specific group of persons; especially one who shares a common interest. Labels: Japanese 8. The orbit of an astronomical body. 9. 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. 10. 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. 11. A traffic circle or roundabout. Labels: Dundee, India, Philippines, South-Africa Example: He arrived at the lakefront and drove around the circle where the amusement park and beach used to be when he was a kid[…] 12. Compass; circuit; enclosure. Labels: obsolete Example: in the circle of this forest 13. 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 axis and in Y's, in the plane of the meridian, a meridian or transit circle; when involving the principle of reflection, like the sextant, a reflecting circle; and when that of repeating an angle several times continuously along the graduated limb, a repeating circle. 14. A series ending where it begins, and repeating itself. Example: Thus in a circle runs the peasant's pain. 15. A form of argument in which two or more unproved statements are used to prove each other; inconclusive reasoning. Example: That heavy Bodies deſcend by gravity, is no better an account then we might expect from a Ruſtick: and again; that Gravity is a quality whereby an heavy body deſcends, is an impertinent Circle, and teacheth nothing. 16. Indirect form of words; circumlocution. Labels: form-of, indirect Example: Has he given the lie, / In circle, or oblique, or semicircle. 17. A territorial division or district. Example: The ten Circles of the Holy Roman Empire were those principalities or provinces which had seats in the German Diet. 18. A bagginess of the skin below the eyes from lack of sleep. Labels: in-plural Example: After working all night, she had circles under her eyes. 19. An event at which circling takes place.