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Anfractuosity \An*frac`tu*os"i*ty\, n.; pl. {Anfractuosities}.
[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.