an electric railway operating below the surface of the ground (usually in a city); "in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'"
a movement like that of a sudden occurrence or increase in a specified phenomenon; "a wave of settlers"; "troops advancing in waves"
a hairdo that creates undulations in the hair
the act of signaling by a movement of the hand
(physics) a movement up and down or back and forth
one of a series of ridges that moves across the surface of a liquid (especially across a large body of water)
something that rises rapidly; "a wave of emotion swept over him"; "there was a sudden wave of buying before the market closed"; "a wave of conservatism in the country led by the hard right"
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
a persistent and widespread unusual weather condition (especially of unusual temperatures); "a heat wave"
an undulating curve
set waves in; "she asked the hairdresser to wave her hair"
the warmest season of the year; in the northern hemisphere it extends from the summer solstice to the autumnal equinox; "they spent a lazy summer at the shore"