L. Anfractuosities (#). [Cf. F. Anfractuosite.
1. A state of
being anfractuous, or
full of windings and turnings; sinuosity. "The anfractuosities of
his intellect and temper." (Macaulay)
2.
A sinuous depression or sulcus like those separating the convolutions of the brain.
Source: Websters Vocabulary