\Un"du*la`ted\, a.
1. Resembling, or in the nature of, waves; having a wavy
   surface; undulatory.

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

3. (Zo["o]l.) Formed with elevations and depressions
   resembling waves; having wavelike color markings; as, an
   undulated shell.