1. To move freely back and forth or up and down in the air, as branches in the wind. 2. waved as she drove by. 3. Her hair waves naturally. 4. She waved a fan before her face. 5. flourish 6. We waved good-bye. 7. The police officer waved the motorist into the right lane. 8. wave one's hair. 9. A ridge or swell moving through or along the surface of a large body of water. 10. A small ridge or swell moving across the interface of two fluids and dependent on surface tension. 11. vanished beneath the waves. 12. Something that suggests the form and motion of a wave in the sea, especially: 13. waves of wheat in the wind. 14. A curve or succession of curves, as in the hair. 15. A curved shape, outline, or pattern. 16. a wave of the hand. 17. a wave of nausea; a wave of indignation. 18. a wave of panic selling on the stock market. 19. a wave of conservatism. 20. the first wave of settlers. 21. A maneuver in which fans at a sports event simulate an ocean wave by rising quickly in sequence with arms upraised and then quickly sitting down again in a continuous rolling motion. 22. a heat wave. 23. A disturbance traveling through a medium by which energy is transferred from one particle of the medium to another without causing any permanent displacement of the medium itself. 24. A graphic representation of the variation of such a disturbance with time. 25. A single cycle of such a disturbance.