Noun

1. One of a series of ridges that moves across the surface of a liquid (especially across a large body of water)
2. A movement like that of a sudden occurrence or increase in a specified phenomenon
3. (physics) a movement up and down or back and forth
4. Something that rises rapidly
5. The act of signaling by a movement of the hand
6. A hairdo that creates undulations in the hair
7. An undulating curve
8. A persistent and widespread unusual weather condition (especially of unusual temperatures)
9. A member of the women's reserve of the united states navy; originally organized during world war ii but now no longer a separate branch

Verb

1. Signal with the hands or nod
2. Move or swing back and forth
3. Move in a wavy pattern or with a rising and falling motion
4. Twist or roll into coils or ringlets
5. Set waves in