[Date: 1700-1800; Language: Norwegian; Origin: Old Norse skith 'stick of wood, ski']
1. one of a pair of long thin narrow pieces of wood or plastic that you fasten to your boots and use for moving on snow or on water:
ski slopes
a ski resort (=where people can go skiing)
2. a long thin narrow piece of strong material, fastened under a small vehicle so that it can travel on snow
to move on skis for sport or in order to travel on snow or water ⇨ skiing:
I’m learning to ski.
We skied down to the village of Argentière.