Word Study
sinuate
CIDE DICTIONARY
sinuate, 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]
sinuate, v. i.
To bend or curve in and out; to wind; to turn; to be sinuous. Woodward. [1913 Webster]
OXFORD DICTIONARY
sinuate, adj. esp. Bot. wavy-edged; with distinct inward and outward bends along the edge.
Etymology
L sinuatus past part. of sinuare bend
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