definition of
spiral

[1] #1 spiral n. a plane curve traced by a point circling about the center but at increasing distances from the center. wn

[2] #2 spiral v. [gyrate, coil] 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". wn

[3] #3 spiral s. [coiling, helical, spiraling, volute, voluted, whorled, turbinate] in the shape of a coil. wn

[4] #4 spiral v. form a spiral; "The path spirals up the mountain". wn

[5] #5 spiral n. [helix] a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle. wn