whorl Definition

1. bot.
A corolla.
2. zool.
One complete coil in the spiral shell of a mollusc, the number of which indicates the shell's age.
3. A type of fingerprint in which there is a spiral arrangement of the ridges on the skin.
4. Any type of convolution.

Thesaurus: spiral, vortex, helix, coil, corkscrew, turn, twist, convolution.