any circular or rotating mechanism; "the machine punched out metal circles"
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"
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"
something approximating the shape of a circle; "the chairs were arranged in a circle"
a thoroughfare (usually including sidewalks) that is lined with buildings; "they walked the streets of the small town"; "he lives on Nassau Street"
the part of a thoroughfare between the sidewalks; the part of the thoroughfare on which vehicles travel; "be careful crossing the street"
people living or working on the same street; "the whole street protested the absence of street lights"
a situation offering opportunities; "he worked both sides of the street"; "cooperation is a two-way street"
the streets of a city viewed as a depressed environment in which there is poverty and crime and prostitution and dereliction; "she tried to keep her children off the street"