Sin′u‐os″i‐ty (?), n.; pl.Sinuosities (#). [Cf. F. sinuosité.] 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.