whorls

noun

1. 1.A pattern of concentric circles.
2. 2.A circle of three or more leaves, flowers, or other organs, about the same part or joint of a stem.
3. 3.A volution, or turn, of the spire of a univalve shell.
4. 4.Any volution, as for example in the human ear or fingerprint.
5. 5.A flywheel, a weight attached to a spindle.