Frae Wikipedia, the free beuk o knawledge
This is a shaped alpine ski. This ensaumple haes relatively little sidecut, an haes a classic camber - note that the tip an tail are touchin the snaw while the middle section is in the air.

A ski is a nairae strip o wid, plastic, metal or combination thereof worn unnerfit tae glide ower snaw. Substantially langer nor wide an characteristically employed in pairs, skis are attached tae buits wi bindins, aither wi a free, lockable, or pairtially secured heel.