SPIRAL

I. adjective see: spire Date: 1551 1. winding around a center or pole and gradually receding from or approaching it , helical , ~-bound , of or relating to the advancement to higher levels through a series of cyclical movements, ~ly adverb II. noun Date: 1656 1. the path of a point in a plane moving around a central point while continuously receding from or approaching it, a three-dimensional curve (as a helix) with one or more turns about an axis, a single turn or coil in a ~ object, something having a ~ form as:, ~ galaxy , b. a ~ flight, a kick or pass in which a football rotates on its long axis while moving through the air, a continuously spreading and accelerating increase or decrease , III. verb (-raled or -ralled; -raling or -ralling) Date: 1834 intransitive verb to go and especially to rise or fall in a ~ course , transitive verb to form into a ~, to cause to ~