\Sin"u*ous\, a. [L. sinuosus, fr. sinus a bent surface,
a curve: cf. F. sinueux. See {Sinus}.]
Bending in and out; of a serpentine or undulating form;
winding; crooked. -- {Sin"u*ous*ly}, adv.
      Streaking the ground with sinuous trace. --Milton.
      Gardens bright with sinuous rills.       --Coleridge.