Un·du·late v. t. [imp. & p. p. Undulated p. pr. & vb. n. Undulating.] To cause to move backward and forward, or up and down, in undulations or waves; to cause to vibrate.
Breath vocalized, that is, vibrated and undulated. --Holder.
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. Zool. Formed with elevations and depressions resembling waves; having wavelike color markings; as, an undulated shell.
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