Sin"u*ate (?), a. [L. sinuatus, p. p. of sinuare to wind, bend, fr. sinus a bend.]
Having the margin alternately curved inward and outward; having rounded lobes separated by rounded sinuses; sinuous; wavy.
© Webster 1913
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 sinuous. Woodward.
© Webster 1913