the act of rotating as if on an axis | flying downward in a helical path with a large radius |
a planned recurrent sequence (of crops or personnel etc.) | a structure consisting of something wound in a continuous series of loops |
a single complete turn (axial or orbital) | ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center |
(mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin | a continuously accelerating change in the economy |
| a plane curve traced by a point circling about the center but at increasing distances from the center |
| a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle |