(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")
(an unofficial association of people or groups; "the smart set goes there"; "they were an angry lot")
(something approximating the shape of a circle; "the chairs were arranged in a circle")
(movement once around a course; "he drove an extra lap just for insurance")
(a road junction at which traffic streams circularly around a central island; "the accident blocked all traffic at the rotary")
(street names for flunitrazepan)
(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")
(any circular or rotating mechanism; "the machine punched out metal circles")
(travel around something; "circle the globe")
(move in circles)
(form a circle around; "encircle the errors")