(n) movement once around a course; "he drove an extra lap just for insurance"
(n) any circular or rotating mechanism; "the machine punched out metal circles"
(n) a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra; "they had excellent seats in the dress circle"
(n) street names for flunitrazepan
(n) a road junction at which traffic streams circularly around a central island; "the accident blocked all traffic at the rotary"
(n) an unofficial association of people or groups; "the smart set goes there"; "they were an angry lot"
(n) 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"
(n) something approximating the shape of a circle; "the chairs were arranged in a circle"
(v) form a circle around; "encircle the errors"
(v) travel around something; "circle the globe"
(v) move in circles
(v) be around; "Developments surround the town"; "The river encircles the village"