What does "undulate" mean?

Undulate: Same as Undulated.

Additional senses

  1. 2.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.
  2. 3.To move in, or have, undulations or waves; to vibrate; to wave; as, undulating air.

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