01 n. A state of being anfractuous, or full of windings and turnings; sinuosity.
pl.
Anfractuosities ((#))
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1.
A state of being anfractuous, or full of windings and turnings; sinuosity.“The anfractuosities of his intellect and temper.” — Macaulay.
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2.
A sinuous depression or sulcus like those separating the convolutions of the brain.(Anat.)