1. [ noun ] (mathematics,geometry) ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point

"he calculated the circumference of the circle"

Related terms: ellipse conic_section circle_of_curvature equator epicycle circlet arc
2. [ noun ] an unofficial association of people or groups
Synonyms: band lot set

"the smart set goes there" "they were an angry lot"

Related terms: social_group party conspiracy clique Four_Hundred car_pool jet_set horsy_set cohort
3. [ verb ] (transportation) travel around something

"circle the globe"

Related terms: travel circumambulate circumnavigate revolve_around lap
4. [ noun ] something approximating the shape of a circle

"the chairs were arranged in a circle"

Related terms: shape surround
5. [ verb ] move in circles
Synonyms: circulate
Related terms: travel orbit loop loop troll
6. [ noun ] movement once around a course
Synonyms: circuit lap

"he drove an extra lap just for insurance"

Related terms: locomotion lap_of_honour pace_lap
7. [ verb ] be around
Synonyms: surround ring environ round encircle

"Developments surround the town" "The river encircles the village"

Related terms: hold girth cloister twine wreath ring environment
8. [ verb ] form a circle around
Synonyms: encircle

"encircle the errors"

Related terms: shape
9. [ noun ] a road junction at which traffic streams circularly around a central island
Synonyms: rotary roundabout traffic_circle

"the accident blocked all traffic at the rotary"

Related terms: junction confluence road
10. [ noun ] (pharmacology) street names for flunitrazepan
Synonyms: mexican_valium r-2 roach roofy rope rophy forget_me_drug
Related terms: flunitrazepan
11. [ noun ] (performing arts) a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra
Synonyms: dress_circle

"they had excellent seats in the dress circle"

Related terms: seating theater
12. [ noun ] Last name, frequency rank in the U.S. is 20324
13. [ noun ] any circular or rotating mechanism
Synonyms: round

"the machine punched out metal circles"

Related terms: rotating_mechanism disk round
Similar spelling:   circlet