2 definitions found

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Undulate \Un"du*late\, verb (used with an object) [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.

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Undulating \Un"du*la'ting\, adjective Rising and falling like waves; resembling wave form or motion; undulatory; rolling; wavy; as, an undulating medium; undulating ground. -- {Un"du*la'ting*ly}. adverb
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