'Undulating' definitions:

Definition of 'Undulating'

From: GCIDE
  • Undulating \Un"du*la`ting\, a. Rising and falling like waves; resembling wave form or motion; undulatory; rolling; wavy; as, an undulating medium; undulating ground. -- {Un"du*la`ting*ly}. adv. [1913 Webster]

Definition of 'Undulating'

From: GCIDE
  • 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. [1913 Webster]
  • Breath vocalized, that is, vibrated and undulated. --Holder. [1913 Webster]