undulat

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 ]

v. i. To move in, or have, undulations or waves; to vibrate; to wave; as, undulating air. [ 1913 Webster ]

a. 1. Resembling, or in the nature of, waves; having a wavy surface; undulatory. [ 1913 Webster ]

2. (Bot.) Waved obtusely up and down, near the margin, as a leaf or corolla; wavy. [ 1913 Webster ]

3. (Zool.) Formed with elevations and depressions resembling waves; having wavelike color markings; as, an undulated shell. [ 1913 Webster ]

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]

n. [ Cf. F. ondulation. ] 1. The act of undulating; a waving motion or vibration; as, the undulations of a fluid, of water, or of air; the undulations of sound. [ 1913 Webster ]

2. A wavy appearance or outline; waviness. Evelyn. [ 1913 Webster ]

3. (Mus.) (a) The tremulous tone produced by a peculiar pressure of the finger on a string, as of a violin. (b) The pulsation caused by the vibrating together of two tones not quite in unison; -- called also beat. [ 1913 Webster ]

4. (Physics) A motion to and fro, up and down, or from side to side, in any fluid or elastic medium, propagated continuously among its particles, but with no translation of the particles themselves in the direction of the propagation of the wave; a wave motion; a vibration. [ 1913 Webster ]

n. One who advocates the undulatory theory of light. Whewell. [ 1913 Webster ]

a. Consisting in, or accompanied by, undulations; undulatory. [ 1913 Webster ]