Un"du*late (?), 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.

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.

Un"du*late, v. i. To move in, or have, undulations or waves; to vibrate; to wave; as, undulating air.

Un"du*late (?), 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.

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.

Un"du*late, v. i. To move in, or have, undulations or waves; to vibrate; to wave; as, undulating air.

• to cause to move in a wavelike motion
  
• to cause to resemble a wave
  
• to move in wavelike motions
  
• to appear wavelike
  
• wavy in appearance or form
  
• changing the pitch and volume of your voice