1. Forming one or more whorls (especially a whorl of leaves around a stem)
   "The whorled arrangement of leaves is common in certain plant species";
   - verticillate, verticillated
    
2. In the shape of a coil
   "The whorled shell of the snail";
   - coiling, helical, spiral, spiraling [US], volute, voluted, turbinate, spiralling [Brit, Cdn]

Sounds like: world, w

See also: coiled, cyclic

Encyclopedia: Whorled