Sin'ü-oüs, a.

a. [Lat. sinuosus, from sinus, a bent surface, a curve; It. & Sp. sinuoso, Fr. sinueux.] Bending in and out; of a serpentine or undulating form; winding; crooked. “Streaking the ground with sinuous trace.” Milton. “Gardens bright with sinuous rills.” Coleridge.