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1. In the shape of a coil
   - coiling, helical, spiral, volute, voluted, whorled, turbinate, spiralling [Brit, Cdn]

1. To wind or move in a spiral course
   - gyrate, coil
    
2. Form a spiral
   "The path spirals up the mountain"
    
3. Move in a spiral or zigzag course
   - corkscrew

See also: coiled

Type of: curve, turn, twist, wind[2]

Encyclopedia: Spiral