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."
... phosphorescence! Eyes! Eyes—he tried to count and knew it was impossible to so reckon the number of the pack that ran mute but ready. Nor could he distinguish more than a very shadowy glimpse of forms which glided close to the ground with an unpleasant sinuosity. ... — Star Born • Andre Norton
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