Source : Webster's Revised Unabridged Dictionary (1913)

Sinuate \Sin"u*ate\, v. i. [imp. & p. p. {Sinuated}; p. pr. &
   vb. n. {Sinuating}.]
   To bend or curve in and out; to wind; to turn; to be
   sinusous. --Woodward.

Source : WordNet®

sinuate
     adj 1: curved or curving in and out; "wiggly lines" [syn: {sinuous},
             {wiggly}]
     2: having a strongly waved margin alternately concave and
        convex