verb

• (intransitive) To move back and forth repeatedly and somewhat loosely.
  "The flag waved in the gentle breeze."
• (intransitive) To move one's hand back and forth (generally above the shoulders) in greeting or departure.
  "I raised my arms in a final salute. I smiled. I waved goodbye. I turned into the helicopter, the door was closed, the red carpet was rolled up."
• (transitive, metonymic) To call attention to, or give a direction or command to, by a waving motion, as of the hand; to signify by waving; to beckon; to signal; to indicate.
  "I waved goodbye from across the room."
• (intransitive) To have an undulating or wavy form.

noun

• (poetic) The ocean.
  "1895, Fiona Macleod (William Sharp), The Sin-Eater and Other Tales […] your father Murtagh Ross, and his lawful childless wife, Dionaid, and his sister Anna—one and all, they lie beneath the green wave or in the brown mould."
• (physics) A moving disturbance in the energy level of a field.
  "Gravity waves, while predicted by theory for decades, have been notoriously difficult to detect."
• (figurative) A sudden, but temporary, uptick in something.
  "A wave of shoppers stampeded through the door when the store opened for its Christmas discount special."
• (logistics) Any of a series of orders to be fulfilled in one short interval of time, planned as part of wave picking.

noun

• (US, historical) A members of the WAVES; a member of the US Naval Reserve (Women's Reserve).
  "[H]e read the faded sticker on the crystal of the door, “A slip of the lip can sink a ship.” Below a WAVE held her finger to lips that had turned tan."