<p><strong>Noun</strong></p><ul><li>a disturbance on the surface of a liquid body, as the sea or a lake, in the form of a moving ridge or swell</li><li>Synonyms: whitecap, undulation</li><li>any surging or progressing movement or part resembling a wave of the sea: a wave of the pulse</li><li>a swell, surge, or rush, as of feeling or of a certain condition: a wave of disgust sweeping over a person; a wave of cholera throughout the country</li><li>a widespread feeling, opinion, tendency, etc.: a wave of anti-intellectualism; the new wave of installment buying</li><li>a mass movement, as of troops, settlers, or migrating birds</li><li>an outward curve, or one of a series of such curves, in a surface or line; undulation</li><li>an act or instance of waving</li><li>a fluttering sign or signal made with the hand, a flag, etc.: a farewell wave</li><li>natural waviness of the hair, or a special treatment to impart waviness: to have a wave in one's hair; to get a shampoo and a wave</li><li>a period or spell of unusually hot or cold weather</li><li>Physics: a progressive disturbance propagated from point to point in a medium or space without progress or advance by the points themselves, as in the transmission of sound or light</li><li>Literary: water</li><li>a body of water</li><li>the sea</li><li>(at sports events, especially baseball games) a momentary standing and sitting back down by spectators in a sequential, lateral way to create, en masse, a wavelike effect visually</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) waved, waving</li><li>to move freely and gently back and forth or up and down, as by the action of air currents, sea swells, etc.: The flags were waving in the wind</li><li>Synonyms: fluctuate, rock, sway, float, flutter, undulate</li><li>to curve alternately in opposite directions; have an undulating form: The road waved along the valley</li><li>to bend or sway up and down or to and fro, as branches or plants in the wind</li><li>to be moved, especially alternately in opposite directions: The woman's handkerchief waved in encouragement</li><li>to give a signal by fluttering or flapping something: She waved to me with her hand</li><li>(used with object) waved, waving</li><li>to cause to flutter or have a waving motion in: A night wind waves the tattered banners</li><li>to cause to bend or sway up and down or to and fro: The storm waved the heavy branches of the elm</li><li>to give an undulating form to; cause to curve up and down or in and out</li><li>to give a wavy appearance or pattern to, as silk</li><li>to impart a wave to (the hair)</li><li>to move, especially alternately in opposite directions: to wave the hand</li><li>to signal to by waving a flag or the like; direct by a waving movement: to wave a train to a halt; to wave traffic around an obstacle</li><li>to signify or express by a waving movement: to wave a last goodbye</li></ul>