Source : Webster's Revised Unabridged Dictionary (1913)

Undulated \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.

Undulate \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.