sinuate
AdjectiveWordNet 3.0
Webster's Dictionary (GCIDE)
Sinuate \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. [1913 Webster]