GNU Collaborative International Dictionary of English

Found 3 definitions

1.       
   Undulate , a. [L. undulatus undulated, wavy, a dim. from unda a wave; cf. AS. , Icel. unnr; perhaps akin to E. water. Cf. Abound, Inundate, Redound, Surround.] Same as Undulated.
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2.       
   Undulate , 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.
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   Breath vocalized, that is, vibrated and undulated.
   Holder.
   
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3.       
   Undulate, v. i. To move in, or have, undulations or waves; to vibrate; to wave; as, undulating air.
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