Anfractuous \An*frac"tu*ous\, a. [L. anfractuosus, fr. anfractus
a turning, a winding, fr. the unused anfringere to wind,
bend; an-, for amb- + fractus, p. p. of frangere to break:
cf. F. anfractueux.]
Winding; full of windings and turnings; sinuous; tortuous;
as, the anfractuous spires of a horn. --
{An*frac"tu*ous*ness}, n.
[1913 Webster]