Anfractuosity \\An*frac`tu*os"i*ty\\, n.; pl. {Anfractuosities}. An*frac`tu*os\"i*ty [Cf. F. anfractuosit['e].] 1. A state of being anfractuous, or full of windings and turnings; sinuosity.

The anfractuosities of his intellect and temper. --Macaulay.

2. (Anat.) A sinuous depression or sulcus like those separating the convolutions of the brain.