Anfractuosity

An·frac·tu·os·i·ty

Anfractuosity

n.

pl. Anfractuosities

  1. A state of being anfractuous, or full of windings and turnings; sinuosity.
    The anfractuosities of his intellect and temper.
  2. A sinuous depression or sulcus like those separating the convolutions of the brain. (Anat.)