Defn: To move in, or have, undulations or waves; to vibrate; to wave; as, undulating air.

UNDULATED
Un"du*la`ted, a.

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

2. (Bot.)

Defn: Waved obtusely up and down, near the margin, as a leaf or corolla; wavy.

3. (Zoöl.)

Defn: Formed with elevations and depressions resembling waves; having wavelike color markings; as, an undulated shell.

UNDULATING
Un"du*la`ting, a.

Defn: 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.

UNDULATION
Un`du*la"tion, n. Etym: [Cf. F. ondulation.]