waterskiPronunciation: /ˈwɔːtəskiː/Translate waterski | into German Definition of waterski noun (plural waterskis) each of a pair of skis enabling the wearer to skim the surface of the water when towed by a motor boat. verb (waterskis, waterskiing, waterskied) [no object] skim the surface of water on waterskis: off the beach you can paraglide, jet ski or waterskiDerivatives waterskier noun waterski in other Oxford dictionaries Definition of waterski in the US English dictionary