\Sin`u*os"i*ty\, n.; pl. {Sinuosities}. [Cf. F.
sinuosit['e].]
1. Quality or state of being sinuous.
2. A bend, or a series of bends and turns; a winding, or a
   series of windings; a wave line; a curve.
         A line of coast certainly amounting, with its
         sinuosities, to more than 700 miles.  --Sydney
                                               Smith.