- wave, moving ridge - one of a series of ridges that moves across the surface of a liquid (especially across a large body of water)
--1 is a kind of movement, motion
--1 has particulars:surf, breaker, breakers; wake, backwash; swash; ripple, rippling, riffle, wavelet; swell, crestless wave; lift, rise; billow, surge; tidal wave, tsunami; roller, roll, rolling wave; whitecap, white horse