an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles | movement once around a course |
a circle dividing a sphere or other surface into two usually equal and symmetrical parts | any circular or rotating mechanism |
| a road junction at which traffic streams circularly around a central island |
| a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra |
| street names for flunitrazepam |
| an unofficial association of people or groups |
| 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 |
| something approximating the shape of a circle |