Circle Meaning
/ˈsɜɹkəl/Definition, CEFR level A1, pronunciation, examples, and quiz.
Definition
nounA 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).
nounA 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.
Sentence Examples
Word Origin & History
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.