spiral in WordNet English dictionary

1. a structure consisting of something wound in a continuous series of loops
   "a coil of rope"
   coil  spiral  volute  whorl  helix 
   
2. a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
   helix  spiral 
   
3. flying downward in a helical path with a large radius
   spiral 
   
4. ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center
   spiral  volute 
   
5. a continuously accelerating change in the economy
   spiral 
   
6. a plane curve traced by a point circling about the center but at increasing distances from the center
   spiral 
   

1. to wind or move in a spiral course
   "the muscles and nerves of his fine drawn body were coiling for action"; "black smoke coiling up into the sky"; "the young people gyrated on the dance floor"
   gyrate  spiral  coil 
   
2. move in a spiral or zigzag course
   corkscrew  spiral 
   
3. form a spiral
   "The path spirals up the mountain"
   spiral 
   

1. in the shape of a coil
   coiling  helical  spiral  spiraling  volute  voluted  whorled  turbinate