0 past simple and past participle of wave
1 to raise your hand and move it from side to side as a way of greeting someone, telling someone to do something, or adding emphasis to an expression:
2 to move from side to side, or to make something move like this while holding it in the hand:
They waved at us as we drove by.
Sometimes he raised up his hands, waved, smiled, and made sounds.
The spect-actor shook his head and waved his hand in a sign of disapproval.
Rising up defiantly from the memorial was a long flagpole, upon which a red flag waved.