wave
noun
one of a series of ridges that moves across the surface of a liquid (especially across a large body of water)
Synonymsmoving ridgea movement like that of a sudden occurrence or increase in a specified phenomenon
“a wave of settlers”
“troops advancing in waves”
(physics) a movement up and down or back and forth
Synonymsundulationsomething that rises rapidly
“a wave of emotion swept over him”
“there was a sudden wave of buying before the market closed”
the act of signaling by a movement of the hand
a hairdo that creates undulations in the hair
an undulating curve
Synonymsundulationa persistent and widespread unusual weather condition (especially of unusual temperatures)
“a heat wave”
a member of the women's reserve of the United States Navy; originally organized during World War II but now no longer a separate branch
verb
signal with the hands or nod
“She waved to her friends”
“He waved his hand hospitably”
Synonymsbeckonmove or swing back and forth
“She waved her gun”
move in a wavy pattern or with a rising and falling motion
“The curtains undulated”
“the waves rolled towards the beach”
twist or roll into coils or ringlets
“curl my hair, please”
Synonymscurlset waves in
“she asked the hairdresser to wave her hair”
Source: WordNet 3.1, Princeton University