1. (imp. & p. p.) of Undulate.

2. (a.) Resembling, or in the nature of, waves; having a wavy surface; undulatory.

3. (a.) Waved obtusely up and down, near the margin, as a leaf or corolla; wavy.

4. (a.) Formed with elevations and depressions resembling waves; having wavelike color markings; as, an undulated shell.

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