Meaning of CIRCLE in English


I. ˈsər-kəl noun

Usage: often attributive

Etymology: Middle English cercle, from Anglo-French, from Latin circulus, diminutive of circus circle, circus, from or akin to Greek krikos, kirkos ring; akin to Old English hring ring — more at ring

Date: 14th century


a. : ring , halo

b. : a closed plane curve every point of which is equidistant from a fixed point within the curve

c. : the plane surface bounded by such a curve

2. archaic : the orbit of a celestial body

3. : something in the form of a circle or section of a circle: as

a. : diadem

b. : an instrument of astronomical observation the graduated limb of which consists of an entire circle

c. : a balcony or tier of seats in a theater

d. : a circle formed on the surface of a sphere by the intersection of a plane that passes through it

circle of latitude

e. : rotary 2

4. : an area of action or influence : realm


a. : cycle , round

the wheel has come full circle

b. : fallacious reasoning in which something to be demonstrated is covertly assumed

6. : a group of persons sharing a common interest or revolving about a common center

the sewing circle of her church

family circle

the gossip of court circle s

7. : a territorial or administrative division or district

8. : a curving side street


circle 1b: AB diameter; C center; CD, CA, CB radii; EKF arc on chord EF; EFKL (area) segment on chord EF; ACD (area) sector; GH secant; TPM tangent at point P; EKFBPDA circumference


II. verb

( cir·cled ; cir·cling -k(ə-)liŋ)

Date: 14th century

transitive verb

1. : to enclose in or as if in a circle

2. : to move or revolve around

satellites circling the earth

intransitive verb


a. : to move in or as if in a circle

b. : circulate

2. : to describe or extend in a circle

• cir·cler -k(ə-)lər noun

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.