What is the meaning of spiral?

noun

• 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.
  • synonyms: helix
• A continuously accelerating change in the economy.
• Ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center.
  • synonyms: volute
• A structure consisting of something wound in a continuous series of loops.
  • usage: "a coil of rope"
  • synonyms: coil, volute, whorl, helix
• Flying downward in a helical path with a large radius.

verb

• To wind or move in a spiral course.
  • usage: "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"
  • synonyms: gyrate, coil
• Form a spiral.
  • usage: "The path spirals up the mountain"
• Move in a spiral or zigzag course.
  • synonyms: corkscrew

adjective

• In the shape of a coil.
  • synonyms: coiling, helical, spiraling, volute, voluted, whorled, turbinate