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. [ 1913 Webster ]
v. i.
a. Same as Sinuate. [ 1913 Webster ]
n. [ L. sinuatio. ] A winding or bending in and out. [ 1913 Webster ]