WordWeb Online

1. A round shape formed by a series of concentric circles (as formed by leaves or flower petals)
   - coil, roll, curl, curlicue, ringlet, gyre, scroll
    
2. Lock of hair in the shape of a spiral or curl
   - ringlet, curl
    
3. A structure consisting of something wound in a continuous series of loops
   "a whorl of rope";
   - coil, spiral, volute, helix

Sounds like:

Derived forms: whorls

Type of: construction, lock, round shape, structure

Encyclopedia: Whorl