n.
Function: noun
Date: 1656
1 a : the path of a point in a plane moving around a central point while continuously receding from or approaching it b : a three-dimensional curve (as a helix) with one or more turns about an axis
2 : a single turn or coil in a spiral object
3 : something having a spiral form as: a : SPIRAL GALAXY b (1) : a spiral flight (2) : a kick or pass in which a football rotates on its long axis while moving through the air
4 : a continuously spreading and accelerating increase or decrease <wage spiral s >