No, it is not. It is a verb (to ski, on snow or water), or a noun (one of the footboards used in skiing).
Slalom is the name given to water skiing with one ski.
A daffy is used in the sport of skiing or freestyle skiing. It is an stunt that a skier does in midair. They point one ski up and forward and the other ski down and backward.
Ski tubes are used in water sports especially water skiing. They are used to tow people from the back of the boat and one places their feet onto the ski tubes.
When one goes skiing it is very important to remember the guidelines of skiing so one does not do any harm to the body as a result of a ski accident. When one is skiing one should wear skis.
Jet Ski / jet skiing is two words.
Carving is the term used for making the "S" shape in the snow while snowboarding or skiing.
A helicopter takes you to the top of a mountain, then you disembark and ski down.
A ski instructor instructs skiing.
SKIING!You use them for skiing. Ski boots are hard plastic and specially formulated to fit into a ski binding which is mounted on the ski. Once you snap into the ski binding you are securely fastened to your skis and can commence the skiing process.
'Sticks' used to ski are called skiing poles.
Ski is the abbreviation of skiing, and skis are the long pieces of carbon fibre (although other materials are used) that you attach to your feet to glide across the snow. In other words, skis are used to go and ski / go skiing.