Webster Dictionary

1. Undulated(u)

   of Undulate

2. Undulated(adj)

   resembling, or in the nature of, waves; having a wavy surface; undulatory

3. Undulated(adj)

   waved obtusely up and down, near the margin, as a leaf or corolla; wavy

4. Undulated(adj)

   formed with elevations and depressions resembling waves; having wavelike color markings; as, an undulated shell