waving
n. uncountable A2 Elementary US //ˈweɪvɪŋ// UK //wˈeɪvɪŋ// wav·ing
n. the act of moving your hand from side to side in the air. You usually do this to say hello or goodbye to someone.
n. the action of moving one's hand to and fro as a greeting, signal, or gesture of farewell.
She gave a friendly waving of her hand as the train left.
The crowd responded to the president's arrival with enthusiastic waving and cheering from behind the barriers.
Despite the distance between the two ships, the sailors could clearly see the frantic waving of a white flag from the upper deck.