whorls

/W ER1 L Z/
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.

Source: https://en.wiktionary.org/wiki/whorl, https://en.wiktionary.org/wiki/whorls